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GB332283A
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Improvements in, or relating to, gas washing apparatus
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GB325884A
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Improvements in or relating to air washing and the like
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GB315469A
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Improvements in valves for pneumatic installations
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GB314777A
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Improvements in or relating to the bulk conveyance of pulverised material
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GB311488A
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Improvements in or relating to the pneumatic conveyance of powdered, granular and like materials
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GB303604A
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Improvements in or relating to apparatus for the pneumatic conveyance of granular, powdered and like materials
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GB300364A
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Improvements in or relating to rotary separators
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GB289971A
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Improvements in or relating to pipe bends for use in pneumatic and vacuum extractionor conveying apparatus
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GB278900A
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Improvements in rotary separators
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GB284030A
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Improvements in pneumatic suction apparatus for the removal or conveyance of dust and granular and like materials
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GB281811A
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Improvements in pneumatic suction apparatus for the removal of dust and like finely divided material
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GB275004A
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Improvements in receivers for pneumatic conveyors
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GB271974A
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Improvements in valves for use with dust extraction and/or conveying apparatus
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GB272588A
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Improvements in and relating to the pipe bends used in pneumatic and vacuum extraction or conveying apparatus
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CA300611A
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Rotary separator
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CA301492A
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Apparatus for the pneumatic conveyance of granular or powdered materials
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CA301729A
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Air and gas washing apparatus
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CA303232A
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Pneumatic conveyor for pulverized materials
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