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US4051861A
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Arrangement for connecting manifold blocks
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US3972505A
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Control valve
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US3771565A
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Fluidic directional control valve assembly
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US3707992A
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Electromagnetic valve assembly
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US3670274A
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Explosion-proof valve operator
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US3603602A
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Reinforced seal
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US3523631A
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Foil feeding system
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US3521851A
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Floating valve seal
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US3519022A
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Low pressure operator
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US3502096A
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Reversible valve actuating mechanism
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US3523555A
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Solenoid controlled four-way valve
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US3529226A
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Tachometer speed control for a linear induction motor
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US3440532A
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Speed sensor for linear induction motors
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