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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GA 1803-2022 |
Anti-terrorism prevention requirements for urban central squares {译} 城市中心广场反恐怖防范要求 |
China Security Industry
Standards squares |
 English PDF |
| JJG 7-2004 |
Verification Regulation of squares 直角尺检定规程 |
China Metrological
Standards squares |
English PDF |
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