FR509067A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Furnace for melting basalt and other rocks
Assignee: Individual
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Filing: 1920-01-23
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Granted: 1920-10-30
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Expires: 1940-01-23
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 11:21
CPC Classifications
C; C04; C04B; C04B7/00; C04B7/36; C04B7/43; C04B11/00; C04B11/02; C04B11/028; C04B2/00; C04B2/10
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