国家/地区 中国（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC
发明人 FENG Y（2）
公开年 2023（2）
申请年 2022（2）
专利权人

Processing corrosion resistant layer of water pump body useful for transmitting water liquid comprises e.g. using clean water to wash inner and outer sides of pump body, for removing dust and impurities on inner and external surfaces of pump body and using spray gun to sand blasting and roughening.

DONG K, GENG H, LI G, FENG Y, FENG J

Graphene oxide film coating device, has coating layer arranged below distributing pipe in coating shell, and multiple coating clapboards longitudinally arranged in middle of coating layer.

PENG M, LI H, JIANG D, FENG Y, OUYANG W, ZHU Y