FR948774A
Expired / Lapsed
FR
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Improvements in heat treatment of granular materials
Assignee: ANCIENS DAVIDSE Ets
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Filing: 1947-06-16
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Granted: 1949-08-10
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Expires: 1967-06-16
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
2026-11-09 08:31
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/02; F27B7/04; B; B01; B01J; B01J6/00; B01J6/001; B01J6/002
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