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US3195469A
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Gear pumps
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GB1026125A
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Improvements in or relating to snap action mechanism for electric switches
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CA738106A
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Electrical connectors
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CA751707A
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Centrifugal governors
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CA746678A
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Apparatus for measuring the mass flow of fluids
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CA790750A
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Digital counters
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CA742039A
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Captive cap nuts
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CA779985A
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Snap action mechanism for electric switches
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CA735670A
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Manually operable crimping tools
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CA780037A
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Resistive attenuators
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CA759162A
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Frequency comparing systems
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CA761545A
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Telegraph signal demodulators
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CA762036A
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Telegraph receiver diversity combiner
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CA755756A
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Plug-and-socket type connectors
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