国家/地区 中国（3）
IPC部 C（3）
IPC大类 C23（3）
IPC小类 C25D（3）
IPC C25D011/34（3）
发明人
公开年
申请年 2022（2） 
专利权人

Black metal surface nano-graphene composite layer comprises graphene, mixed rare earth, zinc, silicon, manganese, boron, magnesium, vanadium, titanium, zirconium and aluminum.

DENG H, CHEN R, DENG C

Acid cleaning process of corrosion resistant stainless steel belt comprises performing solid solution treatment on stainless steel plate, annealing once, finish rolling, and secondary annealing and performing four stages of coating treatment.

YU C, JI F, XING Y, ZHANG X, WU M, LI Y, WU B, WANG Y, SHAN C, BEN H

Method for processing high-strength corrosion-resistant stainless steel pipe fittings, involves taking pretreatment pipe fittings, performing ultrasonic rolling on outer surface, washing pretreatment pipe fittings with deionized water after rolling and vacuum drying pretreatment pipe fittings.

XU J, HU X, SANG C, RUAN J, ZHOU Q