DE390937C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for internal heating of furnace furnaces for hardening, tempering, annealing, quenching and melting
Assignee: ADOLF ERB
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Filing: 1922-10-13
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Granted: 1924-03-03
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Expires: 1942-10-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 17:21
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/34; C21D1/44
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References Cited (Backward Citations)
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