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Tool for ballast tamping machine

Classifications

E01B27/16 Sleeper-tamping machines

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US3797397A

United States

Other languages
English
Inventor
J Eisenmann
H Helgemeir
Current Assignee
Individual

Worldwide applications
1968 FR AT 1969 CH 1971 US

Application US00174442A events
1974-03-19
Application granted
Anticipated expiration
Expired - Lifetime