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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 13344-2019 |
Down-the-hole hammers and bits 潜孔冲击器和潜孔钻头 |
China National Standards bits |
 English PDF |
| GB/T 3229-2018 |
Assembly tools for screws and nuts—Dimensions and torque testing of drive ends for hand and machine-operated screwdriver bits and connecting parts 螺栓螺母用装配工具-手动和机动螺刀头的传动端和连接部件的尺寸及扭矩试验 |
China National Standards bits |
English PDF |
| GB/T 29079-2012 |
Classification and parameter symbols for orbits and trajectories of spacecraft 航天器轨道分类及常用参数符号 |
China National Standards bits |
English PDF |
| GB/T 6335.2-2010 |
Rotary and rotary impact masonry drill bits with hardmetal tips Part 2: Technical specifications 旋转和旋转冲击式硬质合金建工钻 第2部分：技术条件 |
China National Standards bits |
English PDF |
| GB/T 6335.1-2010 |
Rotary and rotary impact masonry drill bits with hardmetal tips Part1: Dimensions 旋转和旋转冲击式硬质合金建工钻 第1部分：尺寸 |
China National Standards bits |
English PDF |
| GB/T 13344-2010 |
Downhole drill hammers and bits 潜孔冲击器和潜孔钻头 |
China National Standards bits |
English PDF |
| GB/T 18654.5-2008 |
Inspection of germplasm for cultured fishes - Part 5: Analysis of feeding habits 养殖鱼类种质检验 第5部分：食性分析 |
China National Standards bits |
English PDF |
| GB/T 3229-2008 |
Assembly tools for screws and nuts - Drive ends for hand and machine operated screwdriver bits and connecting parts - Dimensions, torque testing 螺栓螺母用装配工具 手动和机动螺刀头的传动端和连接部件的尺寸及扭矩试验 |
China National Standards bits |
English PDF |
| GB/T 13343-2008 |
Blast hole tricone rock bits 矿用三牙轮钻头 |
China National Standards bits |
English PDF |
| GB/T 2527-2008 |
Cemented carbide inserts for mining and oil-field bits 矿山、油田钻头用硬质合金齿 |
China National Standards bits |
English PDF |
| GB/T 20704-2006 |
Rock drilling - Rotary drill-rods and rotary drill-bits for dry drilling - Connecting dimensions 岩石钻孔 干式钻杆和钻头 连接尺寸 |
China National Standards bits |
English PDF |
| GB/T 17980.113-2004 |
Pesticide--Guidelines for the field efficacy trials(Ⅱ)--Part 113:Fungicides against fusarium wilt of cucurbits 农药 田间药效试验准则(二) 第113部分:杀菌剂防治瓜类枯萎病 |
China National Standards bits |
English PDF |
| GB/T 17980.112-2004 |
Pesticide--Guidelines for the field efficacy trials(Ⅱ)--Part 112:Fungicides against anthracnose of cucurbits 农药 田间药效试验准则(二) 第112部分:杀菌剂防治瓜类炭疽病 |
China National Standards bits |
English PDF |
| GB/T 4211.2-2004 |
High speed steel tool bits--Part 2:Technical requirements 高速钢车刀条 第2部分:技术条件 |
China National Standards bits |
English PDF |
| GB/T 4211.1-2004 |
High speed steel tool bits--Part 1:Types and dimensions 高速钢车刀条 第1部分:型式和尺寸 |
China National Standards bits |
English PDF |
| GB/T 9541-1988 |
2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type-circuits 在普通电话交换网和点对点二线租用电话型电路上使用标准化的回波抵消技术的2400比特/ 秒双工调制解调器 |
China National Standards bits |
English PDF |
| GB/T 9412-1988 |
Modems for date transmission at 48 kilobits per second using 60～108 kHz group band circuits 用于60～108 kHz基群电路的48 kbit/s数据传输的调制解调器 |
China National Standards bits |
English PDF |
| GB/T 7626-1987 |
4800 bits per second modem with manual equalizer standardized for use on leased telephone-type circuits 在租用电话型电路上使用的带人工均衡器的标准化的4800比特/秒调制解调器 |
China National Standards bits |
English PDF |
| GB/T 7625-1987 |
2400/1200 bits per second modem standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化 2400/1200比特/秒调制解调器 |
China National Standards bits |
English PDF |
| GB/T 7624-1987 |
2400 bits persecond modem standardized for use on 4-wire leased telephone type circuits 在四线租用电话型电路上使用的标准化2400比特/秒调制解调器 |
China National Standards bits |
English PDF |
| GB/T 7621-1987 |
1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephonecircuits 在电话自动交换网和点对点二线租用电话型电路上使用的标准化的1200比特/秒双工调制解调器 |
China National Standards bits |
English PDF |
| GB/T 7620-1987 |
300 bits per second duplex modem standardized for use in the general switched telephone network 在电话自动交换网上使用的标准化300比特/秒全双工调制解调器 |
China National Standards bits |
English PDF |
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