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Application filed by Inst LacznoscifiledCriticalInst Lacznosci
Priority to PL28622390ApriorityCriticalpatent/PL164505B1/en
Publication of PL286223A1publicationCriticalpatent/PL286223A1/en
Publication of PL164505B1publicationCriticalpatent/PL164505B1/en
PL28622390A1990-07-261990-07-26Multiwire commutation additional module in particular for equipment used to test regional telephone network
PL164505B1
(en)