FR817708A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method of operation of torches for working underwater and torch for carrying out this method
Assignee: Air Liquide SA
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Filing: 1937-01-05
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Granted: 1937-09-09
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Expires: 1957-01-05
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 01:43
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/38; F23D14/44
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