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Lagringstappstätning för användning av en borrkrona med roterande kon, borrkrona med roterande kon försedd med sådan tätning samt förfarande för formande av en lagringstappstätning för användning i en borrkrona med roterande kon
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Year of Publication 22.10.2002
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Composite rock bit seal
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Year of Publication 12.07.2000
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Composite rock bit seal
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Year of Publication 25.03.1999
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Composite rock bit seal
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Year of Publication 11.05.1998
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Composite rock bit seal
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Year of Publication 15.04.1998
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COMPOSITE ROCK BIT SEAL
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Year of Publication 08.04.1998
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Composite earth boring bit seal
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Year of Publication 26.09.2000
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Year of Publication 26.09.2000
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