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Priority to JP4153187UpriorityCriticalpatent/JPS63175145U/ja
Publication of JPS63175145UpublicationCriticalpatent/JPS63175145U/ja
Dispositivo per il comando automatico di apertura e chiusura dei rubinetti di testata del freno all'atto dell'accoppiamento di due veicoli ferroviari muniti di aggancio automatico