ARRANGEMENT FOR CONVEYING LOOSE MATERIALS
DEGTYAR FELIKS I,SU, PEVZNER SEMEN A,SU, GUSHCHIN VLADIMIR M,SU, GALINTOVSKIJ VIKTOR I,SU, KRYMCHANSKIJ DMITRIJ A,SU, BUDNITSKIJ VLADIMIR S,SU
Year of Publication 07.01.1990
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Year of Publication 07.01.1990
Patent