FR679163A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Channel system for recuperators and gas or air heaters with direct or indirect action hearth
Assignee: Willy Hohne
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Filing: 1929-07-08
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Granted: 1930-04-09
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Expires: 1949-07-08
Abstract
No abstract record available.
Inventors
- 👤 Willy Hohne
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 09:01
CPC Classifications
F; F28; F28F; F28F21/00; F28F21/04
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