申请人 |
SPETSIALIZIROVANNY TREST PO REMONTUPROMYSHLENNYKH ZDANY I SOORUZHENY PREDPRIYATY CHERNOI METALLURGII TSENTRALNOGO RAIONA TSENTRMETALLUR-GREMONT |
发明人 |
VASILIEVICH CHEVAKIN IVAN;ANTONOVICH RADCHENKO PETR;IZRAILEVICH PESIN ABRAM;PETROVICH ZHAROV NIKOLAI |