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地下采矿机械.液压矿顶支撑物的安全要求.动力装置支脚和柱塞
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Power set legs and rams
参考页数:40P.;A4
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地下采矿机械.液压矿顶支撑物的安全性要求.支撑装置及一般要求
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Support units and general requirements
参考页数:42P.;A4
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煤矿用地层支撑系统部件.屋顶加固用柔性系统规范
Strata reinforcement support systems components used in coal mines - Specification for flexible systems for roof reinforcement
参考页数:56P;A4
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矿用工字钢钢拱规范
Specification for H-section steel arches for use in mines
参考页数:52P.;A4
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煤矿用地层加强支持系统部件.岩石锚栓规范
Strata reinforcementsupport systemcomponents used in coalmines –Part 1: Specification for rockbolting
参考页数:52P.;A4
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采矿的空气调节系统.运输轨道翼形通气门.减压式双翼门
Air regulation systems for mining - Wing air doors for haulage tracks - Double-wing type doors with pressure reduction
参考页数:22P.;A4
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矿山空气调节系统.车道用的侧翼式空气门.具有减压平衡功能的双翼式通风门
Air regulation systems for mining - Wing air locks for travelling tracks - Double-wing type doors with pressure reduction
参考页数:21P.;A4
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