|
US3272562A
|
|
Material feeding apparatus
|
|
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|
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Mixer
|
|
US3231146A
|
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Controlled rate discharge device
|
|
US3197261A
|
|
System for feeding and transporting materials
|
|
US3194543A
|
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Mixer
|
|
US3253305A
|
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Mold filling apparatus including a discharge door with flexible leading edge
|
|
US3204302A
|
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Method and apparatus for treating granular material
|
|
US3197260A
|
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System for feeding and transporting materials
|
|
US3147850A
|
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Elevator flight
|
|
US3143492A
|
|
Electrostatic separation
|
|
US3077714A
|
|
Gas cleaner
|
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US3121593A
|
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Pneumatic material handling apparatus
|
|
US3088183A
|
|
Apparatus for treating granular material
|
|
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|
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Mulling and mixing apparatus
|
|
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|
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Filter device
|
|
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|
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Gas scrubber system
|
|
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|
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Sand blast gun
|
|
US3034835A
|
|
Pneumatic conveyor apparatus
|
|
US2978147A
|
|
Mixer for granular material
|
|
US2943801A
|
|
Multiple stage mixing apparatus
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