DE2757070
PEREVOZKIN, JURIJ L, MKRTYCIAN, ANATOLIJ A, CHARAGEZOV, JAKOV A, GAJUN, JURIJ A, JUNICENKO, VIKTOR A, KOTENKO, STALINA P., ROSTOV-NA-DONU, SU, POLUBOJAROV, VITALIJ S
Year of Publication 27.08.1981
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Year of Publication 27.08.1981
Patent