Patent FR453458A successfully refreshed from Google Patents.
FR453458A
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FR
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Butterfly flame burner, for acetylene and other rich gases
Assignee: EBERHARD HELD
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Filing: 1912-04-03
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Granted: 1913-06-09
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Expires: 1932-04-03
Abstract
No abstract record available.
Inventors
- 👤 Eberhard Held
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
F; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/0089
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