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FR516602A
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FR
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Vacuum insulation of pipes and steam or refrigerant devices
Assignee: FERDINAND COLLAS
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Filing: 1920-06-05
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Granted: 1921-04-23
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Expires: 1940-06-05
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Collas
- 👤 Omer Marischal
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 18:45
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/06; F16L59/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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