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Priority to JP43069259ApriorityCriticalpatent/JPS4911907B1/ja
Priority to US851311Aprioritypatent/US3649898A/en
Priority to DE19691946748prioritypatent/DE1946748A1/de
Priority to SE1292969Aprioritypatent/SE362615B/xx
Priority to GB1250280Dprioritypatent/GB1250280A/en
Priority to FR6932172Aprioritypatent/FR2018607A1/fr
Publication of JPS4911907B1publicationCriticalpatent/JPS4911907B1/ja