JPS5828802B2
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Pantograph push-up force automatic adjustment method and device
Assignee: Japan National Railways
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Filing: 1977-09-22
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Granted: —
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Expires: 1997-09-22
Abstract
No abstract record available.
Inventors
- 👤 明実 稲垣
- 👤 隆一 宮崎
- 👤 治男 青木
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-03 18:59
CPC Classifications
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