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Priority to JP8933070ApriorityCriticalpatent/JPS5022738B1/ja
Priority to US8708670prioritypatent/US3717445A/en
Priority to GB5374670Aprioritypatent/GB1325179A/en
Priority to SE1522170Aprioritypatent/SE377264B/xx
Priority to DE19702055757prioritypatent/DE2055757B2/de
Publication of JPS5022738B1publicationCriticalpatent/JPS5022738B1/ja