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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 50535-2009 |
Code for design of pit bottom of coal mine 煤矿井底车场设计规范 |
China National Standards design pit bottom |
 English PDF |
| GB 50416-2007 |
Code for design of chambers around pit-bottom of coal mine 煤矿井底车场硐室设计规范 |
China National Standards design pit bottom |
English PDF |
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