FR1367937A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Acoustic resistance for the mechanical damping of electrodynamic loudspeakers
Assignee: SARL AUDIOTECNIC
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Filing: 1963-08-29
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Granted: 1964-07-24
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Expires: 1983-08-29
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 23:41
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/28; H04R1/2807; H04R1/2811; H04R1/02; H04R1/023
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