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US4930539A
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Anti-fluttering check valve
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NL8400917A
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House boat sewage discharge equipment - has concertina-type connecting pipe to suction device on quayside straightening under suction
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NL8400767A
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House boat sewage discharge equipment - has concertina-type connecting pipe to suction device on quayside straightening under suction
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NL8204691A
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Press for dump goods, more in particular garbage.
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NL8201247A
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FLUSHABLE DEVICE THROUGH A MEDIUM UNDER PRESSURE, FOR example, AN ADJUSTABLE FLOW LIMITER, CHECK VALVE OR FLOW METER.
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NL8200548A
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Waste carton etc. baling press - has carriage placeable in press chamber to hold plastic bag and permit handling wet waste material
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NL8105315A
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Valve with spring-loaded plug - has single plastic injection moulding forming plug and spring
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NL8005300A
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Device for temporary flushing of a water-sinked water tap.
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NL7905009A
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Excess flow valve working in one direction only - has disc shaped plug with radial protrusions and of elastic material fitting in groove
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NL7804923A
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Check valve.
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NL7704519A
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Compressor unit with unloader valve - has chamber increased in size by pressure with wall coupled to plug
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NL7514413A
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Fluid flow restrictor device - has return pipe with valve between widest and narrowest points opening at predetermined pressure
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