Patent JPS5847721B2 successfully refreshed from Google Patents.
JPS5847721B2
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Equipment management method
Assignee: Hitachi Ltd
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Filing: 1973-03-02
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Granted: —
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Expires: 1993-03-02
Abstract
No abstract record available.
Inventors
- 👤 亮 飯田
- 👤 雄 伊藤
- 👤 光治 青木
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 22:31
CPC Classifications
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