国家/地区 中国（3）
IPC部 C（3）
IPC大类 C25（3） C23（2）
IPC小类 C25D（3）
IPC C25D003/38（3）
发明人 GUO C（3）
公开年 2021（3）
申请年 2021（3）
专利权人 GUANGZHOU UL.（2）

High corrosion resistance zinc cobalt alloy coating structure of aluminum alloy piece, has trivalent chromium passivation layer and hydroxyl graphene sealing layer which are prepared in turn from inside to outside of substrate.

CHEN M, LAI H, GUO C

Protective layer structure for chemical nickel plating of aviation electric appliance accessory, comprises aluminum alloy base body, and chemical zinc depositing layer, pre-plating copper layer, and graphene sealing layer.

XIA L, GUO C, LAI H

Protective layer structure of pearl copper coating coated with hydroxyl graphene electrophoretic paint, comprises steel base body from inside to outside orderly preparing watt nickel plating layer.

CHEN J, GUO C, LAI H