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On the Line-hauler with Torque Converter Hidetoshi KUSAMA, Yoshio YAMAGUCHI and Yoshio MIYAZAKI The hauling machines of the fishing nets or lines are necessary to have the characteristics of shock absorb and reliable controle of the hauling speed, especially for the large ships of tuna fishing How ever, none of old types have these two important characteristics. By the experiments, we obtained as follows; Right ordinate: efficiency of converter.

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