ARRANGEMENT FOR ENCLOSING A RAILWAY CROSSING
SHEVANDIN MIKHAIL A,SU, KOTOV DMITRIJ V,SU, MAJOROV IVAN M,SU, ANNENKOV ANATOLIJ M,SU, SUCHILIN GEORGIJ P,SU, SENKO MIKHAIL F,SU
Year of Publication 23.04.1984
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Year of Publication 23.04.1984
Patent