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Application filed by Jerzy Grzybek, Tadeusz Tobiasz, Edward Janowicz, Pawel Trelenberg, Jozef Stras, Witold PanuszkafiledCriticalJerzy Grzybek
Priority to PL30360594ApriorityCriticalpatent/PL172911B1/en
Publication of PL303605A1publicationCriticalpatent/PL303605A1/en
Publication of PL172911B1publicationCriticalpatent/PL172911B1/en