JPS5283003A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Privacy system for key telephone set
Assignee: Tamura Electric Works Ltd
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Filing: 1975-12-30
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Granted: —
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Expires: 1995-12-30
Abstract
No abstract record available.
Inventors
- 👤 Toshiji Kinoshita
- 👤 Yoshio Shinoda
- 👤 Takashi Oyamada
- 👤 Mitsuo Masuda
- 👤 Noritomo Arai
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-26 09:35
CPC Classifications
—
Claims Analysis
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References Cited (Backward Citations)
JPS4875105A
Cited
JPS4953706A
Cited
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