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US3302614A
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Milking machine
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GB1049258A
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Improvements in and relating to suction milking plants
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US3242903A
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Automatic milking apparatus
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US2951711A
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Trailer coupling for towing vehicles for hauling trailers whose pole is provided with a towing eye
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US1999155A
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Slide valve
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GB347058A
|
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Improvements in stop valves
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US1993844A
|
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Device for resurfacing or grinding parallel surfaces
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GB335462A
|
|
Improvements in stop valves
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GB328901A
|
|
Improvements in stop-valves
|
|
US1904467A
|
|
Valve
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US1790009A
|
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Stop valve
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GB307041A
|
|
Improvements in actuating mechanism for stop-valves of the sluice type
|
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GB300952A
|
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Mechanical movements
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US1705481A
|
|
Mechanical movement
|
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GB279081A
|
|
Improvements in stop-cocks
|
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GB262116A
|
|
Improvements in stop-cocks
|
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US1722752A
|
|
Slide valve
|
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CA613639A
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Trailer coupling for towing vehicles for hauling trailers whose pole is provided with a towing eye
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