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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 41217-2021 |
City metro and composite pipe gallery hot-rolling channel 城市地铁与综合管廊用热轧槽道 |
China National Standards gallery |
 English PDF |
| GB 9669-1996 |
Hygienic standard for library，museum，art gallery and exhibition 图书馆、博物馆、美术馆、展览馆卫生标准 |
China National Standards gallery |
English PDF |
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