国家/地区 中国（2）
IPC部 C（2）
IPC大类 C21（2）
IPC小类 C21D（2）
IPC
发明人 ZHANG H（2）
公开年 2022（2）
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

Graphene nanocomposite metal profile used in military and civil products, has nanoscale graphene layer which is compounded on surface of metal profile.

CONG D, LIN Z, ZHANG H, DUAN Z, JIA C, YANG S, ZHANG G