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NL8503030A
|
|
Valve seal.
|
|
FR2296359A7
|
|
Pneumatic pressure regulating valve with internal throttle sleeve - is controlled by membrane piston and adjustable compression spring
|
|
NL7514590A
|
|
Natural gas regulator valve - has second cage:type plug with end wall furthest from outlet
|
|
NL7514589A
|
|
Natural gas regulator valve - has openings in plug and seat widening in steps in gas flow direction
|
|
US3720488A
|
|
Well pumping apparatus for polluted water
|
|
GB1350936A
|
|
Well pumping apparatus for polluted water
|
|
GB1131201A
|
|
Apparatus for agitating and aerating open water courses, such as canals, ponds, and the like
|
|
GB1009823A
|
|
Submersible centrifugal waste pump
|
|
FR1338114A
|
|
Well pump installation
|
|
US3136259A
|
|
Sump pump plant
|
|
ES278550A3
|
|
A centrifugal pump (Machine-translation by Google Translate, not legally binding)
|
|
US3136258A
|
|
Centrifugal pump
|
|
GB966030A
|
|
Centrifugal pump
|
|
FR1290668A
|
|
Centrifugal pump
|
|
CA684375A
|
|
Centrifugal pump
|
