国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3）
IPC小类 C09D（3）
IPC C09D007/63（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

Double-layer copper sheet oxidation fixture comprises upper rectangular frame and a lower rectangular frame connected by two side plates, the two side plates are arranged opposite to each other and provided with multiple vent holes.

DONG M, CAI J, MA J, HE X, LI Y

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

Anti-rust and anti-corrosion low-nickel stainless steel material comprises chromium, boron, manganese, molybdenum, nickel, vanadium, phosphorus, silicon, and nitrogen.

PANG X, ZHAO Y, PANG M, HU Z, ZHAN Y, YANG J