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FR2940203A1
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REMOVABLE EQUIPMENT FOR TRANSPORTING A LOAD
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AU8895001A
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Reduced-length sleeve valve
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NZ524685A
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Short-length reduced-pressure backflow preventor
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US6349736B1
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Backflow preventer apparatus and method with integration of shut-off valves
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US5392803A
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Apparatus and method for installing valves
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US5226441A
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Backflow preventor with adjustable outflow direction
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US5107888A
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N-shaped backflow preventor
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US4991622A
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Multiply configurable backflow preventer
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US4989635A
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Check valve with reduced hold-open pressure
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JPS61228171A
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Valve
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JPS61228170A
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Valve
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JPS61228169A
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Submersible delivery valve
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