国家/地区 中国（4）
IPC部 B（4）
IPC大类 B21（4） C09（2）
IPC小类 B21D（4） C09D（2）
IPC B21D037/16（4）
发明人
公开年 2021（3）
申请年 2021（3） 
专利权人

Coated aluminum-silicon plated steel plate useful in thermoformed component, comprises steel substrate and aluminum-silicon coating coated on the surface of the steel substrate, where the surface of the aluminum-silicon coating is covered with coating.

MA X, JIN X, LIU H, TAN N

Electronic product built-in five-gold round punching mold, has new graphene material layer that is located at two sides of lower template and heat conducting copper sheet is located outside punch.

YANG Z, YANG J, FANG Z

Preparing titanium alloy large-diameter square thin-walled pipe comprises e.g. heating mold, insulating and preheating, fixing the preheated punch press rod on upper mold of the press, and expanding round tube into a square tube.

CHEN X, ZHANG L, QIAN C

Preparing graphene-aluminum composite material radiating film comprises preparing mixed solution, oxidizing and neutralizing, diluting and centrifuging, washing, electrophoretic deposition, annealing heat treatment, hot pressing and forming.

TANG S, XIANG B, ZHANG R, ZHANG Q, WU Y