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Priority to JP1096374ApriorityCriticalpatent/JPS50117518A/ja
Priority to GB1598274Aprioritypatent/GB1472112A/en
Priority to US05/460,182prioritypatent/US4031642A/en
Priority to FR7413051Aprioritypatent/FR2225778B1/fr
Priority to IT7450409Aprioritypatent/IT1011243B/it
Priority to DE2418690Aprioritypatent/DE2418690A1/de
Publication of JPS50117518ApublicationCriticalpatent/JPS50117518A/ja