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Priority to JP11154169UpriorityCriticalpatent/JPS487252Y1/ja
Priority to FR707021598Aprioritypatent/FR2046774B1/fr
Priority to GB2869870Aprioritypatent/GB1312805A/en
Priority to US46106Aprioritypatent/US3664530A/en
Priority to DE2029511Aprioritypatent/DE2029511C3/de
Publication of JPS487252Y1publicationCriticalpatent/JPS487252Y1/ja