US4140444A
(en )
1979-02-20
Flexible shaft assembly for progressing cavity pump
JPS5831478B2
(ja )
1983-07-06
フンサイポンプソウチ
GB186747A
(https= )
1900-01-01
CN100414107C
(zh )
2008-08-27
螺旋型液体环式泵
DK0656098T3
(da )
1997-12-29
Kompakt gerotorpumpe
US1337916A
(en )
1920-04-20
Centrifugal pump
US4185839A
(en )
1980-01-29
Packing gland for pump shaft seal
US758214A
(en )
1904-04-26
Rotary motor.
GB191228413A
(en )
1913-08-07
Improvements in Rotary Pumps.
CN218293924U
(zh )
2023-01-13
一种360度摇头风扇电机
GB190916666A
(en )
1909-10-07
An Improved Rotary Pump.
CN210859695U
(zh )
2020-06-26
茶具出水头旋转牙箱
US987818A
(en )
1911-03-28
Water-motor.
GB190004058A
(en )
1900-04-07
A New or Improved Centrifugal Apparatus for Raising Water or the like.
US1410564A
(en )
1922-03-28
Centrifugal pump
US1046115A
(en )
1912-12-03
Centrifugal pump.
GB191024140A
(en )
1911-06-29
Improvements in or connected with Turbines or Rotary Engines.
US676014A
(en )
1901-06-11
Centrifugal pump.
GB191309721A
(en )
1914-03-12
Improvements in Centrifugal Pumping Apparatus.
GB191109789A
(en )
1912-04-22
Improvements in Centrifugal Pumps and Fans.
GB190925387A
(en )
1910-03-03
Improvements in or relating to Tube Cleaning-devices.
GB191126766A
(en )
1912-07-25
Improvements in or relating to Propeller- or Centrifugal-pumps.
GB191030393A
(en )
1911-09-07
Mixing Machines for Kneading Dough.
GB191306073A
(en )
1913-08-21
Improvements in and relating to Centrifugal Pumps.
GB191415387A
(en )
1915-05-27
Improvements in and relating to Self Contained Table Fountains or the like.