国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B23（2）
IPC小类 B23P（2）
IPC B23P015/00（2）
发明人
公开年
申请年
专利权人

Mining hydraulic support repairing device, has adjusting mechanism comprising two sliding groove plates symmetrically and uniformly distributed and fixedly installed on top surface of bottom plate.

XIE S, SHAO H, JIAO G, ZHANG H, LI X

Door trim board injection mold comprises specified amount of iron powder, graphene, rare-earth powder, ethyl silicate, molybdenum powder, chromium powder, vanadium powder, silicon powder and tungsten carbide powder.

YUAN W, HUANG M, TANG S, LUO B