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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9309-1988 |
Office machines and data processing equipment--Functionkey Symbols on typewriters 办公机器和数据处理设备 打字机功能键符号 |
China National Standards Symbol |
 English PDF |
| GB/T 3431.2-1986 |
Letter Symbols for semiconductor integrated circuits--Letter symbols for function of pins 半导体集成电路文字符号 引出端功能符号 |
China National Standards Symbol |
English PDF |
| GB/T 3894.9-1986 |
Graphical Symbols on the arrangement planof ship--Cargo handling gear 船舶布置图图形符号 起货设备 |
China National Standards Symbol |
English PDF |
| GB/T 5825-1986 |
Symbolic designation of direction of opening and closing and faces of doors and windows 建筑门窗扇开、关方向和开、关面的标志符号 |
China National Standards Symbol |
English PDF |
| GB/T 5276-1985 |
Fasteners--Bolts，screws，studs and nuts--Symbols and designations of dimensions 紧固件 螺栓、螺钉、螺柱及螺母尺寸代号和标注 |
China National Standards Symbol |
English PDF |
| GB/T 3894.6-1984 |
Figurations and Symbols on the arrangement plans of ships--Life-saving apparatus 船舶布置图图形符号 救生设备 |
China National Standards Symbol |
English PDF |
| GB/T 3895-1983 |
Graphical Symbols for ships’ deck covering and insulation materials 船舶甲板敷料和绝缘材料图形符号 |
China National Standards Symbol |
English PDF |
| GB/T 2625-1981 |
Process detection and controlflow chart--Symbols and letter codes 过程检测和控制流程图用图形符号和文字代号 |
China National Standards Symbol |
English PDF |
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