SELF-CLEANING FILTER
KIRYANOV NIKOLAJ I,SU, TARAKANOV VIKTOR M,SU, KOSTOVETSKIJ SEMEN P,SU, RYZHOV ALEKSANDR A,SU, SMAKOV AMANZHOL M,SU, OLOFINSKIJ EVGENIJ P,SU, DUBOVTSEV LEONID I,SU, UREV NAUM B,SU
Year of Publication 23.07.1989
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Year of Publication 23.07.1989
Patent