国家/地区 中国（2）
IPC部 C（2）
IPC大类 C23（2）
IPC小类 C23C（2）
IPC C23C022/82（2）
发明人
公开年
申请年 2020（2）
专利权人

Plating layer structure of zinc-nickel alloy plating layer without chromium passivation and hydroxyl graphene, has chromium-free passivation layer prepared by silane passivation agent.

LAI H, CHEN K, GUO C

High adhesion fingerprint-resistant hot-dip galvanized steel sheet comprises e.g. middle substrate, first galvanized layer, first passivation solution, first fingerprint resistant layer, second galvanized layer and second passivation layer.

GONG K