梯形螺纹 极限尺寸
Metrie trapezoidal serew threads-Limits of sizes
检测标准
钢结构用高强度垫圈
High strength plain washers for steel structures
蒸汽疏水阀 标志
Automatic steam traps-Marking
钢结构用高强度大六角头螺栓
High strength bolts with large hexagon head for steel structures
钢结构用高强度大六角螺母
High strength large hexagon nuts for steel structures
蒸汽疏水阀 分类
Automatic steam traps-Classification
蒸汽疏水阀 试验方法
Automatic steam traps-Test methods
蒸汽疏水阀术语、标志、结构长度
Automatic steam traps-Term,Marking,Face-to-face dimensions
机械安全防止人体部位挤压的最小间距
Safety of machinerynMinimum gaps to avoid crushing of parts of the human body
工业阀门 金属隔膜阀
Industrial valves-Diaphragm valves made of metallie materials
