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
Priority to US177975ApriorityCriticalpatent/US3705392A/en
Priority to US00178103Aprioritypatent/US3796998A/en
Application filedfiledCritical
Priority to JP3756972Aprioritypatent/JPS5329262B2/ja
Priority to US00350720Aprioritypatent/US3851316A/en
Publication of JPS48104441ApublicationCriticalpatent/JPS48104441A/ja
Publication of JPS5329262B2publicationCriticalpatent/JPS5329262B2/ja
