FR883374A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Heating furnace with adjustable and constantly controllable heat source for heating wire drawing filaments
Assignee: Andrea Roggia
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Filing: 1942-06-18
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Granted: 1943-07-02
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Expires: 1962-06-18
Abstract
No abstract record available.
Inventors
- 👤 Andrea Roggia
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 00:59
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56
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