Patent DE643121C successfully refreshed from Google Patents.
DE643121C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Heat exchange plate made of two sheet metal placed next to one another, the z. B. are connected to one another by welding
Assignee: Bergedorfer Eisenwerk AG
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Filing: —
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Granted: 1937-03-25
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Expires: 1954-03-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 22:23
CPC Classifications
F; F28; F28D; F28D9/00; F28D9/0031
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