MACHINE FOR POLISHING HOLES IN DIAMOND DIES WITH POLISHING STRING
KLIGMAN VITALIJ D,SU, ROJFMAN YAKOV M,SU, IVANOVA RIMMA I,SU, VOLKOV ANATOLIJ A,SU, BARAB-TARLE MATUS-ELEV,SU
Year of Publication 07.09.1992
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Year of Publication 07.09.1992
Patent