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DE3436437A1
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Appliance for use in a flowmeter for a fluid
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GB8421666D0
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Flow meter including bypass valve assembly
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Bidirectional flow meter
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Tamper-proof cover for fluid flow monitor
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Flow meter bypass valve assembly
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Fluid pressure device
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Fluid system with self cleaning filter
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Backwash means for dual filter elements
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Method of manufacturing pleated filters
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Backwash means for dual filter elements
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High pressure filter device
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