国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 WANG B（2）
公开年 2020（2）
申请年
专利权人 WANG B（2）

Fire-proof door, has door body frame whose two sides are embedded with cushion plate that is welded with supporting rod, where supporting rod and cushion plate are formed with connecting hole and fireproof film layer is filled with graphene filler.

ZHANG L, WANG B

Graphene heating device useful for preparing heating plaster comprises graphene composite film heating substrate, composite flexible film of graphene/aqueous resin, and temperature sensor connected to thermostat by using wire.

WANG B