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

Manufacturing permanent magnetic material involves using raw material to prepare blank by smelting, preparing powder, sintering blank, cutting blank, punching, cleaning, and melting silica gel, and forming two shells respectively with convex rod, sleeking of two shells are sleeved on inner core.

YANG X

Graphene textile fabric cutting device, has driven belt wheel fixedly connected with one end of thread driving rod, where screw driving rod is rotatably connected in connecting groove hole of inner wall of mounting cavity.

YANG X