国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29C（2）
IPC C08K003/04（2）
发明人
公开年
申请年
专利权人

Liquid ring type vacuum pump comprises e.g. pump body, pump cover fixed at two ends of the pump body respectively, disc fixed between two pump covers and pump body and impeller fixed on rotating shaft between two discs.

ZHAO X, WANG Q, LIU Y, YUE H, YU S

Graphene-based inorganic fiber pipeline comprises inner lining layer, fiber reinforcement layer and outer protective layer, where inner lining layer and outer protective layer are made of high-temperature-resistant adhesive material.

HUANG Y, HUANG Z