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Application filed by Politechnika GdanskafiledCriticalPolitechnika Gdanska
Priority to PL27221188ApriorityCriticalpatent/PL155161B1/en
Publication of PL272211A1publicationCriticalpatent/PL272211A1/en
Publication of PL155161B1publicationCriticalpatent/PL155161B1/en
PL27221188A1988-05-021988-05-02Anisotropic brush for commutator electric machines of non-reversible operation and heavy commutation conditions
PL155161B1
(en)