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Boart Longyear GmbH & Co. KG
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Burghaun, DE
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Patents Grants
last 30 patents
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Patent Grant
Mounting of a rotatable chisel in mining machinery
Patent number
6,623,084
Issue date
Sep 23, 2003
Boart Longyear GmbH & Co. KG
Zenon Wasyleczko
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Patent Grant
Cutting or breaking tool as well as cutting insert for the latter
Patent number
6,354,771
Issue date
Mar 12, 2002
Boart Longyear GmbH & Co. KG
Heinrich Bauschulte
E21 - EARTH DRILLING MINING
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