ARRANGEMENT FOR PLACING AND COMPACTING CONCRETE MIX IN A MOULD von ERMAKOV VIKTOR S,SU, GODKIN YAKOV N,SU, BERNSHTEJN NISOM M,SU, KURTSER RAFAIL D,SU, BARBARASH IOSIF P,SU, MARTYNOV VALENTIN ,SU, KAPLAN MARK B,SU, LAPUSHKIN YURIJ A,SU

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