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FR82468E Expired / Lapsed FR ⏱️ 0.0 years remaining

Refractory masonry

Assignee: Heinrich Koppers GmbH
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Filing: 1962-10-02
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Granted: 1964-02-21
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Expires: 1982-10-02
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 15:06
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/04; F23; F23M; F23M5/00; F23M5/06; F27B; F27B3/00; F27B3/10; F27B3/12; F27B3/16

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