GOST 24512-1980 Press-moulds multi-placel removable for manufacturing of rubber O-rings section Construction and dimensions《制造断面橡皮圈用多位可卸压模 结构及尺寸》.pdf

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NB T 10366-2019 煤矿卸压瓦斯地面钻井抽采技术方法.pdf

BS ISO 21013-1-2008 Cryogenic vessels - Pressure-relief accessories for cryogenic service - Reclosable pressure-relief valves《低温容器 低温设备用卸压附件 可重新盖紧的卸压阀》.pdf

NB T 20268-2014 压水堆核电厂安全阀和卸压阀管系设计准则.pdf

EJ T 339-1988 压水堆核电厂安全阀和卸压阀管系设计准则.pdf

BS ISO 21013-2-2007 Cryogenic vessels - Pressure-relief accessories for cryogenic service - Non-reclosable pressure-relief devices《低温容器 低温设施用卸压附件 打开后不能重新盖紧的卸压装置》.pdf

GB T 25217.10-2019 冲击地压测定、监测与防治方法 第10部分：煤层钻孔卸压防治方法.pdf

CNS 13301-2002 Method of inspection for gas pressure welded joint of steel bars for concrete reinforcement《钢筋混凝土用钢筋瓦斯压接接头检查法》.pdf

GOST 24516-1980 Packets quick-changing with horisontal break of press-moulds for manufacturing of rubber O-rings section Construction and dimensions《制造大截面橡胶圈用横向可卸压卸的快速更换组件 结构及尺寸》.pdf

GB T 25217.11-2019 冲击地压测定、监测与防治方法 第11部分：煤层卸压爆破防治方法.pdf

CNS 13302-1993 Method of Ultrasonic Examination for Gas Pressure Welds of Reinforcing Deformed Bars《钢筋混凝土用竹节钢筋瓦斯压接部超音波探伤试验法》.pdf

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