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Patent US1330632 - PROCESS FOR RECOVERING OILS THROUGH THE DESTRUCTIVE DISTILLATION OE WOOD
PROCESS FOR RECOVERING OILS THROUGH THE DESTRUCTIVE DISTILLATION OE WOOD
DAVID L. HANSON
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Abstract
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Description
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Patent number
: 1330632
Filing date
: Feb 7, 1919
Issue date
: Feb 10, 1920
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