Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1976066048UpriorityCriticalpatent/JPS5534093Y2/ja
Priority to CA278,673Aprioritypatent/CA1065924A/en
Priority to AU25228/77Aprioritypatent/AU511568B2/en
Priority to FR7715855Aprioritypatent/FR2352975A1/fr
Publication of JPS52158271UpublicationCriticalpatent/JPS52158271U/ja
Priority to US05/921,284prioritypatent/US4135277A/en
Application grantedgrantedCritical
Publication of JPS5534093Y2publicationCriticalpatent/JPS5534093Y2/ja