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ATLAS COPCO MCT AB, A CORP. OF NACKA, SWEDEN
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S-104 84 STOCKHOLM, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Tunnel boring machine
Patent number
5,046,783
Issue date
Sep 10, 1991
Atlas Copco MCT AB
Kaj B. I. Emanuelsson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device in impact machines
Patent number
5,005,656
Issue date
Apr 9, 1991
Atlas Copco MCT AB
Jorgen A. R. Rodert
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for efficient energy transfer and damping of impact drilling...
Patent number
4,993,504
Issue date
Feb 19, 1991
Atlas Copco MCT AB
Jorgen A. R. Rodert
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Patent Grant
Device for controlling the passage of a flushing medium in impact m...
Patent number
4,991,669
Issue date
Feb 12, 1991
Atlas Copco MCT AB
Kurt H. Andersson
E21 - EARTH DRILLING MINING
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