MANIFOLD
LYAPIDEVSKIJ BORIS V,SU, TOKAR MARK I,SU, KLEJMAN TAMARA A,SU, AFONIN GENNADIJ N,SU, ZORICH ALEKSANDR G,SU
Year of Publication 07.10.1989
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Year of Publication 07.10.1989
Patent
ENTRY-DRIVING DRAINAGE TUNNEL
MAKHLIS LEV A,SU, LYAPIDEVSKIJ BORIS V,SU, TOKAR MARK I,SU, NIKITIN BORIS A,SU, ZORICH ALEKSANDR G,SU, FEDOROVICH KAZIMIR K,SU, KULAKOV SERGEJ V,SU
Year of Publication 07.06.1989
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Year of Publication 07.06.1989
Patent