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Priority to JP6325074ApriorityCriticalpatent/JPS5635266B2/ja
Priority to US489381Aprioritypatent/US3915741A/en
Priority to GB3271874Aprioritypatent/GB1474272A/en
Priority to CA205,893Aprioritypatent/CA1015400A/en
Publication of JPS50154733ApublicationCriticalpatent/JPS50154733A/ja
Publication of JPS5635266B2publicationCriticalpatent/JPS5635266B2/ja