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 JP1342776UpriorityCriticalpatent/JPS52106065U/ja
Priority to US05/764,648prioritypatent/US4100456A/en
Priority to GB4733/77Aprioritypatent/GB1570763A/en
Publication of JPS52106065UpublicationCriticalpatent/JPS52106065U/ja