FR889245A
Expired / Lapsed
FR
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Method of improving sound damping by rigid walls
Assignee: Lothar Cremer
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Filing: 1942-12-17
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Granted: 1944-01-04
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Expires: 1962-12-17
Abstract
No abstract record available.
Inventors
- 👤 Lothar Cremer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 03:46
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; F; F16; F16L; F16L59/00; F16L59/06; E04B2001/8414; E04B2001/8457; E04B2001/8476; E04B2001/848; E04B2001/849
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