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 JP1976009191UpriorityCriticalpatent/JPS572975Y2/ja
Priority to US05/760,425prioritypatent/US4109258A/en
Priority to DE19772702259prioritypatent/DE2702259A1/de
Publication of JPS52101443UpublicationCriticalpatent/JPS52101443U/ja
Application grantedgrantedCritical
Publication of JPS572975Y2publicationCriticalpatent/JPS572975Y2/ja
