US1819661A
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Connecting conveyer device for handling fibrous material in process of manufacture
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US1831978A
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Fiber drier
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US1790081A
|
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Continuous plant for treating fiber
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US1597840A
|
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Paper pulp and paper
|
US1597841A
|
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Art of making paper pulp
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US1584902A
|
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Art of making pulp for paper
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US1643826A
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Process for making paper pulp
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US1505109A
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Process for electrodepositing lead upon iron
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US1475973A
|
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Process of electrodeposition
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US1584901A
|
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Automatic metering machine
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US1451125A
|
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Process for the production of paper pulp and the like
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US1532845A
|
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Bleaching and washing composition
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US1531320A
|
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Thrashing machine
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US1469971A
|
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Art of manufacturing flax fiber for spinning
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US1457915A
|
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Method of making paper pulp
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US1489469A
|
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Method and apparatus for treating flax
|
US1497808A
|
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Art of retting flax
|
US1360329A
|
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Art of retting flax
|
CA179815A
|
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Flax threshing machine
|
CA183371A
|
|
Flax scutcher
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