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Priority to PL26073886ApriorityCriticalpatent/PL260738A1/en
Publication of PL260738A1publicationCriticalpatent/PL260738A1/en
PL26073886A1986-07-181986-07-18System for monitoring slip of driving belt of hoisting devices,especially of driving belt of bucket elevators
PL260738A1
(en)