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DE522573C Expired / Lapsed DE ⏱️ 0.0 years remaining

Cleaning of the exhaust gases in carbide production furnaces

Assignee: E H GUSTAV HILGER DR ING
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Filing: 1925-12-01
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Granted: 1931-04-15
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Expires: 1945-12-01
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-01 15:45
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/90; C01B32/914; C01B32/942

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