CH129656A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Tool for expanding lead pipes.
Assignee: Ernst Hoffmann
•
Filing: 1928-01-06
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Granted: —
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Expires: 1948-01-06
Abstract
No abstract record available.
Inventors
- 👤 Ernst Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-04 00:40
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/08; B21D39/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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