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AU6896981A
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Gas sampling with blockage indication
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US4134289A
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Gas sampling system having a flow indicator
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Fluid sampling system
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Combustible gases detector
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IT1205896B
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Furnace draft control for steam generator - has conductor enabling flow rates to be measured and fans to control drafts
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Pneumatic function generator assembly
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CA1040023A
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Pneumatic function generator assembly
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Glass to metal seal
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Furnace draft control for a steam generator
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Pneumatic pressure regulator
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CA985396A
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Control system forming a logic display
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CA993978A
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Control system forming a logic display
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CA1014285A
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Control system forming a logic display
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CA1023436A
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Metal bellows welder
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US3960500A
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Gas sampling analyzing system
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US4059130A
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Proximity sensor with zero adjustment
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US3922688A
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Strip-chart recorder
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CA1049658A
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Analog computer circuit for performing multiplication division and square root
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CA968411A
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Electromagnetic flowmeter measuring system
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CA967639A
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Electromagnetic flowmeter measuring system
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