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CA968766A
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Positive displacement spiral vacuum pump
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US3473728A
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Volumetric apparatus such as a vacuum pump or the like,having an exact circular translation cycle
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ES292203A3
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Device of rotating board of standard fuel (Machine-translation by Google Translate, not legally binding)
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GB922247A
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Improved fluid-tight transmission
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GB917677A
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Improvements in and relating to fluid control valves
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GB897239A
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Improvements in and relating to control systems for fluid control valves
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GB796531A
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Improvements in and relating to the surface coating of metals
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CA645691A
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Arrangement for fitting a self-centering cover without any clearance on valves and the like parts
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CA670030A
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Fluidtight transmission device for rotary shafts
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CA565783A
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Surface coating of metals
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CA654081A
|
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High-speed universal control system for rotary valves assuming two successive movements
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