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Year of Publication 30.10.1983
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DRILL BIT
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Year of Publication 15.09.1991
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Year of Publication 15.09.1991
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MOREV GENNADIJ A,SU, ORLOV NIKOLAJ S,SU, GNUSAREV VIKTOR F,SU, PANIN NIKOLAJ M,SU, CHUVILIN ANATOLIJ M,SU, SOROKIN VLADIMIR F,SU, MELKUMOV ALEKSANDR A,SU, SAVOSTYANOV VLADIMIR G,SU
Year of Publication 15.12.1989
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Year of Publication 15.12.1989
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MACHINE FOR SHARPENING MULTIBLADE DRILLING BITS
KUDRYA NIKOLAJ A,SU, GNUSAREV VIKTOR F,SU, CHUVILIN ANATOLIJ M,SU, KONNIKOV MIKHAIL N,SU, NOVIKOV LEONID K,SU, GRIGOREV VIKTOR A,SU
Year of Publication 07.11.1980
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Year of Publication 07.11.1980
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