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BETA
HYDRAULIC BRAKE
LERMAN BORIS I,SU, MOROZOV SERGEJ I,SU, SELETSKIJ NIKOLAJ S,SU, KOTOV ANDREJ V,SU
Year of Publication 07.02.1990
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Year of Publication 07.02.1990
Patent
METHOD OF WORKING MULTITHREAD HELICAL GROOVES IN BODIES OF REVOLUTION
BOBKOV MIKHAIL N,SU, LERMAN BORIS I,SU, SHEJNIN GRIGORIJ M,SU, KOVALEV VLADIMIR G,SU
Year of Publication 23.06.1985
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Year of Publication 23.06.1985
Patent