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Application filed by Krupinski Kopalnia Wegla KamiefiledCriticalKrupinski Kopalnia Wegla Kamie
Priority to PL29681592ApriorityCriticalpatent/PL170103B1/en
Publication of PL296815A1publicationCriticalpatent/PL296815A1/en
Publication of PL170103B1publicationCriticalpatent/PL170103B1/en
PL29681592A1992-12-011992-12-01Method of testing of a drawing engine for frictional engagement betwee the rope and its associated driving pulley
PL170103B1
(en)