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Priority to JP2754070ApriorityCriticalpatent/JPS5038741B1/ja
Priority to FR7023445Aprioritypatent/FR2051275A5/fr
Priority to GB1450773Aprioritypatent/GB1325605A/en
Priority to DE19702031315prioritypatent/DE2031315A1/de
Priority to CH960470Aprioritypatent/CH501082A/de
Priority to US49476Aprioritypatent/US3695306A/en
Publication of JPS5038741B1publicationCriticalpatent/JPS5038741B1/ja