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ES277376A1
|
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Improvements in the devices for sealed joints (Machine-translation by Google Translate, not legally binding)
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ES266970A1
|
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Improved pumping method and apparatus
|
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GB932031A
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Improvements in and relating to reciprocating pumps
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DE1150047B
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Device for continuous filtration of true fluids
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DE1177007B
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Control of the inlet and outlet valves of a double-acting piston pump in mutual inevitable dependence on one another
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ES245466A1
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Improvements in the evacuation devices of the sludge of the decanters (Machine-translation by Google Translate, not legally binding)
|
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GB847337A
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Improvements in devices for evacuating solids from decanters
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