METHOD OF SEALING FLANGE DEMOUNTABLE VACUUM JOINT
EREMEEV VASILIJ F,SU, AKSENOV ALEKSANDR P,SU, TRUSHKOV ALEKSEJ D,SU, SHISHMAREV VITALIJ S,SU, FILIN NIKOLAJ V,SU
Year of Publication 30.03.1986
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Year of Publication 30.03.1986
Patent