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Application filed by Vladimir Nikolaevitch Barke, Isaakovitch Blitstein, Ievgueny Michailovitc Griaznov, Abram Lazarevitch Livchits, Boris Khaimovitch Metchetner, Serguei Sergueievitch Podlazov, Dmitry Fedorovitc YakhimovitchfiledCriticalVladimir Nikolaevitch Barke
Priority to BE594298ApriorityCriticalpatent/BE594298A/fr
Publication of BE594298ApublicationCriticalpatent/BE594298A/fr