国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3） C22（3）
IPC小类 C09D（3）
IPC C09D005/10（3）
发明人
公开年
申请年
专利权人

Manufacturing high strength alloy steel bolt comprises taking steel for bolt, performing extrusion, hot upsetting, heat treatment and thread machining to obtain bolt blank, and performing galvanizing and zinc-aluminum coating into bolt blank.

ZHOU H

Anti-rust, high surface quality refrigerator speed cold plate stamping portion comprises coating, and aluminum alloy plate comprising silicon, copper, manganese, magnesium, zinc, nickel, molybdenum, zirconium, chromium and titanium.

GU H, GU J

Graphene-based paint comprises specified amount of graphene, rare-earth metal, flame retardant, binder and dispersing agent.

ZHANG J