国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3） C22（3）
IPC小类 C21D（3）
IPC C22C038/02（3）
发明人 ZHOU Q（3）
公开年 2018（2）
申请年 2017（2） 
专利权人 WANSHSIN SEI.（2）

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

Planetary gear of planetary reducer comprises iron, zinc, aluminum, silicon, graphene, copper, magnesium, vanadium, tantalum, molybdenum and titanium.

ZHOU Q

Input shaft of speed reducer, is locked and fixed by locking sleeve and motor shaft, and comprises zinc, graphene, zirconium, nickel, silicon, aluminum, manganese, and iron.

ZHOU Q