BALL TUBE MILL
PLATONOV,VIKTOR SZ.,SU, VOROBJEV,NYIKOLAJ D.,SU, BOGDANOV,VASZILIJ SZ.,SU, REDKO,JURIJ G.,SU, MIROSNYICSENKO,IVAN I.,SU, BOGDANOV,NYIKOLAJ SZ.,SU
Year of Publication 28.11.1988
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Year of Publication 28.11.1988
Patent