CH50426A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Automatic gas lock for gas soldering machines
Assignee: Johannes Bertschin
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Filing: 1910-11-22
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Granted: —
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Expires: 1930-11-22
Abstract
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Inventors
- 👤 Johannes Bertschin
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
—
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