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EP2785622A1
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Process and tubular device for the controlled feeding of incoherent solid materials in differentiated pressure systems
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US4036531A
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Valve for a pulse-wave pneumatic conveyance installation
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US3955853A
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Self-contained device for the pneumatic conveyance of incoherent solid materials with a modular takeup device and valve means
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IT1046151B
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Pneumatic conveyor for bulk material - injects compressed gas at different points in synchronism with operation of stop valves
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IT1051743B
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Pneumatic conveyor for bulk material - injects compressed gas at different points in synchronism with operation of stop valves
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GB1423734A
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Method and apparatus for conveying solid incoherent materials
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