DE928702C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Movement device for the advance of rock drill hammers u. Like. With a cylinder and a piston moved in this by a pressure medium
Assignee: Mannesmann Demag AG
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Filing: 1951-07-29
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Granted: 1955-06-10
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Expires: 1971-07-29
Abstract
No abstract record available.
Inventors
- 👤 Kurt Pfannenschmidt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 21:13
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/08; E21B19/084; E21B19/086
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References Cited (Backward Citations)
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