国家/地区 中国（4）
IPC部 C（4）
IPC大类 C25（4）
IPC小类 C25D（4）
IPC C25D003/38（4）
发明人 CHEN M（4）
公开年 2020（3）
申请年 2019（3） 
专利权人 GUANGZHOU UL.（4）

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

Plating layer structure for sealing red copper and nano graphene, comprises metal substrate, cyanide pre-plating copper layer, middle copper plating layer, bright copper plating layer, gun black tin nickel alloy plating layer and graphene sealing layer.

GUO C, CHEN M, LAI H

Bronze and nano graphene plating layer structure comprises metal substrate, cyanide pre-plating copper layer, middle copper plating layer, bright copper plating layer, bronze plating layer, black tin nickel alloy plating layer and graphene sealing layer.

GUO C, CHEN M, LAI H

Plating layer structure for rolling plating antique copper comprises metal substrate, copper plating layer, antique copper coloring layer and graphene sealing layer orderly prepared from inside to outside on metal substrate.

GUO C, CHEN M, LAI H