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JPS4928346A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
JPS4928346A - - Google Patents
Assignee: —
•
Filing: 1973-04-19
•
Granted: —
•
Expires: 1993-04-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 20:02
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/28; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/6221; G03B27/6235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2961932A
Cited
US3362323A
Cited
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