ROCK-BREAKING INSERT FOR DRILLING BITS
SARKISYAN VADIM A,SU, SEREBROVA OLGA I,SU, EMELYANOVA TATYANA A,SU, TRETYAKOV VSEVOLOD I,SU, ARESTOV VIKTOR P,SU
Year of Publication 07.03.1982
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Year of Publication 07.03.1982
Patent