FR929705A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Stereophonic reproduction device
Assignee: Koninklijke Philips NV
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Filing: 1946-06-24
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Granted: 1948-01-06
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Expires: 1966-06-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 17:24
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/02; H04R1/00; H04R1/02
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