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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 5901.3-1986 |
Technical specifications of four-jaw independent chucks 四爪单动卡盘 技术条件 |
China National Standards Technical specificat |
 English PDF |
| GB/T 5444-1985 |
The test methods for the Technical specifications of subscriber line signalling for automatic telephone switching network 电话自动交换网用户信号技术指标测试方法 |
China National Standards Technical specificat |
English PDF |
| GB/T 5443-1985 |
The test methods for the Technical specifications of ringing and tone for automatic telephone switchingnetwork 电话自动交换网铃流和信号音技术指标测试方法 |
China National Standards Technical specificat |
English PDF |
| GB/T 5442-1985 |
The test methods for the Technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network 电话自动交换网带内单频脉冲线路信号技术指标测试方法 |
China National Standards Technical specificat |
English PDF |
| GB/T 4653-1984 |
The general Technical specifications on infrared radiation paints 红外辐射涂料通用技术条件 |
China National Standards Technical specificat |
English PDF |
| GB/T 3971.3-1983 |
The test methods for the Technical specifications of multi-frequency register signalling for telephone auto-matic switching network 电话自动交换网多频记发器信号技术指标测试方法 |
China National Standards Technical specificat |
English PDF |
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