KA T 11-2023 煤矿巷道矿山压力显现观测方法.pdf

相关资源

MT T 878-2000 煤矿巷道矿山压力显现观测方法.pdf

NB T 10717-2021 矿山压力监测系统通用技术条件.pdf

猜你喜欢

NF L22-182-1976 90 degrees countersunk head screws with B N A E Cross recess Sim thread 《带 B N A E十字槽90沉头螺钉 Sim螺纹》.pdf

NF L22-183-1976 Raised 120 degrees countersunk head screws with B N A E Cross recess Sim thread 《带B N A E十字槽90沉头螺钉 Sim螺纹》.pdf

NF L22-184-1976 120 degrees countersunk head screws with B N A E Cross recess Sim thread 《带B N A E十字槽120沉头螺钉 Sim螺纹》.pdf

NF L22-186-1976 Mushroom head screws with B N A E Cross recess and cone point Sim thread 《带B N A E十字槽扁圆头螺钉 Sim螺纹》.pdf

NF L22-187-1976 90 degrees countersunk head screws with B N A E Cross recess and cone point Sim thread 《带B N A E十字槽90沉头螺钉 Sim螺纹》.pdf

NF L22-188-1976 Raised 120 degrees countersunk head screws with B N A E Cross recess and cone point Sim thread 《凸头带B N A E十字槽和锥顶120沉头螺钉 Sim螺纹》.pdf

NF L22-189-1976 120 degrees countersunk head screws with B N A E Cross recess and cone point Sim thread 《带B N A E十字槽锥顶120沉头螺钉 Sim螺纹》.pdf

NF L22-201-1984 Bolt hexagonal head short thread close tolerance ISO thread 《短螺纹紧公差六角头螺栓 ISO螺纹》.pdf

NF L22-202-1984 Bolt hexagonal head short thread close tolerance with locking hole ISO thread 《短螺纹、锁孔紧公差六角头螺栓 ISO螺纹》.pdf