JPS5454650A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Wavelength variable filter for optical beam
Assignee: Nippon Selfoc Co Ltd
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Filing: 1977-10-11
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Granted: —
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Expires: 1997-10-11
Abstract
No abstract record available.
Inventors
- 👤 Shigeo Matsushita
- 👤 Shigetoki Sugimoto
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
—
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