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Priority to JP5981569UpriorityCriticalpatent/JPS5035139Y1/ja
Priority to GB891871Aprioritypatent/GB1275036A/en
Priority to GB1265400Dprioritypatent/GB1265400A/en
Priority to FR6940824Aprioritypatent/FR2024371A1/fr
Priority to DE19691959350prioritypatent/DE1959350A1/de
Publication of JPS5035139Y1publicationCriticalpatent/JPS5035139Y1/ja