| 申请人 |
LENINGRAD.ORD.TRUDOV.KRASNO.ZNAMENI GOSUDARST.PEDAG.INST;OLAINSKY ZAVOD KHIMICHESKIH REAKTIVOV RIZHSKY RAION |
发明人 |
PERKALIN VASILIVEVICH VSEVOLOD;SOPOVA SEMENOVA ALEXANDRA;ZOBACHEVA MIKHAILOVNA MAIYA;SPUNDE YANOVNA RASMA;MKISTAIS YANOVICH ULDIS;SILAYA PETROVNA MAIYA;RASMA SPUNDE YANOVNA;SPUNDE YANOVNA RASMA;ULDIS MKISTAIS YANOVICH;MKISTAIS YANOVICH ULDIS;MAIYA SILAYA PETROVNA;SILAYA PETROVNA MAIYA |
