FR1248397A
Expired / Lapsed
FR
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Wall with high loss of sound energy transmission
Assignee: RTX BBN Technologies Corp
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Filing: 1960-02-16
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Granted: 1960-12-09
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Expires: 1980-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 20:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; E04B1/86; G; G10; G10K; G10K11/00; G10K11/16; G10K11/172; E04B2001/742; E04B2001/747; E04B2001/748; E04B2001/8414; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/12389; Y10T428/12396; Y10T428/12493; Y10T428/12986
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