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Priority to JP7741669UpriorityCriticalpatent/JPS5146009Y1/ja
Priority to US55115Aprioritypatent/US3705272A/en
Priority to DE19702035645prioritypatent/DE2035645B2/de
Priority to GB3479270Aprioritypatent/GB1324782A/en
Publication of JPS5146009Y1publicationCriticalpatent/JPS5146009Y1/ja