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Priority to JP714174ApriorityCriticalpatent/JPS5429074B2/ja
Priority to GB111075Aprioritypatent/GB1465871A/en
Priority to FR7501167Aprioritypatent/FR2258055B1/fr
Publication of JPS50103963ApublicationCriticalpatent/JPS50103963A/ja
Publication of JPS5429074B2publicationCriticalpatent/JPS5429074B2/ja