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Patent DE319305C successfully refreshed from Google Patents.
DE319305C
Expired / Lapsed
DE
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Device for utilizing the exhaust air from mining machines for ventilation purposes
Assignee: WAGNER ALFRED EISENHANDEL
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Filing: 1918-10-29
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Granted: 1920-03-02
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Expires: 1938-10-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 05:40
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/04; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/467
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