国家/地区 中国（4）
IPC部 C（4）
IPC大类 C21（4） C23（2）
IPC小类 C21D（4）
IPC C21D001/26（4）
发明人
公开年 2021（4）
申请年 2020（4）
专利权人

Heat accumulating type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace has hydraulic rod that passes through cavity of cooling box and connecting plate to form bolt connection.

JI X, YAN D

Preparing giant magneto-impedance effect graphene/nanocrystalline composite material comprises e.g. placing iron-based amorphous strip in tubular furnace, annealing to obtain iron-based nanocrystalline strips, and placing in quartz boat.

SONG Y, ZHAO Z, SUN Z, CHEN Y

Preparing graphene metal composite plate comprises e.g. polishing outer surface of metal plates using grinding machine, soaking in diluted hydrochloric acid solution, heating, clamping, coating graphene, extruding and rolling.

BAO Z, HUANG W, XU L, LI D, LI W, AN J

Energy-saving environment-friendly stainless steel tube annealing furnace comprises furnace body, furnace opening, power box, heating pipe, inner wall, motor, rear turntable, side edge, gas conveying pipe, and fixing pipe disc.

JIANG Z, XIANG Y, LI J, ZHANG J, WANG Y, FENG M, HUA F