MANDREL FOR EXPANDING BLANKS
BOJKO VIKTOR K,SU, PRITOMANOV ALEKSEJ E,SU, KIRVALIDZE NIKOLAJ S,SU, TSARKOV ALEKSEJ K,SU, OSTRENKO VIKTOR YA,SU, KONIK VLADIMIR V,SU, BLOSHCHINSKIJ GRIGORIJ P,SU
Year of Publication 15.11.1981
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Year of Publication 15.11.1981
Patent