国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B22（2）
IPC小类 B22D（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

Processing tinned copper-clad alloy wire involves preparing alloy rod, welding copper and alloy wire to form copper-clad alloy wire blank, carrying out multiple times of small deformation drawing processing, and plating tin layer.

OUYANG Y