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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 20257.4-2017 |
Cartographic symbols for national fundamental scale maps—Part4:Specifications for cartographic symbols 1︰250 000 1︰500 000﹠ 1︰1 000 000 topographic maps 国家基本比例尺地图图式 第4部分：1:250 000 1:500 000 1:1 000 000地形图图式 |
China National Standards 4:Specification |
 English PDF |
| GB/T 18240.4-2004 |
Fiscal cash register--Part 4:Specification of device with EFT function 税控收款机 第4部分:银行卡受理设备规范 |
China National Standards 4:Specification |
English PDF |
| GB/T 15891-1995 |
Radio frequency cables--Part 4:Specification for superscreened cables--Section 1:General require-ments and test methods 射频电缆 第四部分:超屏蔽电缆规范 第一篇:一般要求和试验方法 |
China National Standards 4:Specification |
English PDF |
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