FILTER ELEMENT FOR CLEANING VISCOUS SERVICE FLUIDS
SHCHEKINA NINA N,SU, KISLOVA EVGENIYA N,SU, SIVTSOVA GALINA V,SU, PARAMONOVA LYUBOV P,SU, BAUTINA IRINA V,SU, KANARSKIJ ALBERT V,SU
Year of Publication 23.11.1992
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Year of Publication 23.11.1992
Patent