国家/地区 中国（2）
IPC部 F（2）
IPC大类 F04（2）
IPC小类 F04D（2）
IPC
发明人
公开年
申请年
专利权人

High-efficiency blower device, has mounting box installed on back surface of blower shell, where inner side wall bonding mounting box is provided with sound insulation cotton and outer side wall of air outlet main body is connected with extending pipe.

LUO W, GUO B, ZHANG Z, LI C

Vacuum pump used for lubricating bearings, has rotor mounted inside stator, roller and lubricant supply arranged to supply lubricant compound comprising liquid and solid component comprising graphite, graphene or molybdenum sulfide.

SHAW C J