国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29B（2）
IPC
发明人
公开年
申请年 2022（2）
专利权人

Manufacturing composite fiber preform, preferably carbon-carbon composite material for disc brakes, involves winding composite fiber fabric around core to form composite fiber preform comprising multiple layers defining annulus extending along central axi.

TANG L G, GLEN S, PIAO Y, MURDIE N, JAMES M C, MERDEY N, GUERON S, TANG L

Plate heat exchanger unit comprises base and multiple positioning rods arranged on base, where positioning rod is provided with top plate, and heat exchange space is provided between top plate and base, and heat exchange space is provided with multiple groups of first heat exchange plate.

LI Y