国家/地区 中国（3）
IPC部 B（3）
IPC大类 B08（3）
IPC小类 B08B（3）
IPC B08B003/12（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

Flour mill for graphene production, has cleaning component provided with water pump and ultrasonic wave generator, and mounting rod whose bottom part is connected with telescopic rod that is fixed at tail part of inner cavity of machine door through block.

LIU S

Electrostatic field composite graphene sterilization and haze air purification device, has induced draft fan connected to direct current (DC) power output terminal of controller through wire to form induced draft fan power circuit.

WANG Z, LIU F, XU S

Device useful for preparing load graphene visible light photocatalyst, has conveying support equipped with conveying clamping structure and cleaning cylinder tubes respectively provided with three cleaning ports with same structure.

ZHANG Y, GAO Z