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International Standard Category: Other mining equipment

GB 50450-2008    Code for design of main ventilating fan station of coal mine
煤矿主要通风机站设计规范;
Category No.:73.100.99 Valid Status:valid
Issued Organization:AQSIQ, MOHRUD Issued Date:2008-10-15
Implemented Date:2009-5-1 Abolished Date:
Superseded Standard.: Superseded Date:
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