国家/地区 中国（2）
IPC部 C（2）
IPC大类 C25（2）
IPC小类 C25D（2）
IPC C25D005/12（2）
发明人 LAI H（2）
公开年
申请年
专利权人 GUANGZHOU UL.（2）

Neodymium-iron-boron plating black zinc and plating layer structure of graphene, has citrate pre-plating nickel layer that is prepared from inside to outside sequentially of substrate, and trivalent chromium black passivation layer.

LUO X, PENG C, GUO C, LAI H

Rolling and plating shallow black nickel and nano graphene sealed coating structure comprises metal substrate, pre-plating copper layer, nickel plating layer, gun black plating layer and nano graphene sealing layer orderly prepared from inside to outside.

GUO C, WU M, LAI H