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International Standard Category: Other mining equipment

NB/T 10522.2-2021    Automatic waterproof door for mining- Part 2: Electro-hydraulic control system
矿用自动控制防水闸门 第2部分:电液控制系统;
Category No.:73.100.99 Valid Status:valid
Issued Organization:China Energy Administration Issued Date:2021-01-07
Implemented Date:2021-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
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