FR830048A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Beech cellulose manufacturing process
Assignee: HALBZELLSTOFF IND AG F
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Filing: 1937-11-27
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Granted: 1938-07-19
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Expires: 1957-11-27
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 04:21
CPC Classifications
D; D21; D21C; D21C3/00; D21C3/22; D21C3/26; D21C1/00
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