CONVEYOR ROLLER
KOSTIN YURIJ F,SU, LYUBCHENKO VITALIJ I,SU, BELOGRUDOV YURIJ V,SU, KALASHNIK PETR D,SU, LYUBCHENKO NIKOLAJ I,SU, SERGEEV ALEKSEJ D,SU
Year of Publication 30.03.1993
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Year of Publication 30.03.1993
Patent