BE531694A
Expired / Lapsed
BE
⏱️ 0.0 years remaining
COMBINATION OF LOUDSPEAKERS CONSISTING OF ONE LOUDSPEAKER FOR LOW NOTES AND MULTIPLE LOUDSPEAKERS FOR HIGH NOTES.
Assignee: Philips Nv
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Filing: 1954-09-07
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Granted: —
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Expires: 1974-09-07
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
BE
Data Source
google_patents
Last Synchronized
2026-11-06 20:08
CPC Classifications
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