JPS56492A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Rotary bit for enlarging bottom
Assignee: Hitachi Construction Machinery Co Ltd
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Filing: 1979-08-07
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Granted: —
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Expires: 1999-08-07
Abstract
No abstract record available.
Inventors
- 👤 Hiroshi Kusumi
- 👤 Yasuaki Ishikawa
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-08 06:26
CPC Classifications
—
Claims Analysis
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References Cited (Backward Citations)
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