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US3305180A
|
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Process of pulping and defibering paper stock and apparatus therefor
|
|
GB922301A
|
|
Improvements relating to pulping machinery
|
|
US2934278A
|
|
Combination jordan and disc refiner for paper stock
|
|
US2645983A
|
|
Conical plug refiner
|
|
US2630044A
|
|
Paper stock distributor for beaters
|
|
US2581143A
|
|
Stuff treatment apparatus
|
|
US2548425A
|
|
Beater
|
|
US2533199A
|
|
Hydraulic seal for pulp refining mills
|
|
US2485368A
|
|
Pulper
|
|
US2602379A
|
|
Beater
|
|
US2364244A
|
|
Defibering apparatus
|
|
US2016647A
|
|
Device for treating paper stock
|
|
US1921217A
|
|
Safety device
|
|
US1780863A
|
|
Jordan plug
|
|
US1165118A
|
|
Attachment for beating-engines and other stuff-working machines.
|
|
US969800A
|
|
Paper-making machinery.
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