Marcel Montacie

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Continuous boring or cutting machine
- Patent number 4,171,148
- Issue date Oct 16, 1979
- Bouygues
- Marcel Montacie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunneling machines and other cutting machines
- Patent number 4,170,383
- Issue date Oct 9, 1979
- Bouygues
- Marcel Montacie
- E21 - EARTH DRILLING MINING