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Priority to JP8451982UpriorityCriticalpatent/JPS58187552U/ja
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Procedimento per la determinazione della lunghezza del filato avvolto su un rocchetto d'avvolgimento incrociato con trasmissione d'attrito mediante un tamburo scanalato
Apparatus for measuring the length of filamentary material, such as yarn or thread wound-up at individual winding or spinning locations of a textile machine