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 JP2873974ApriorityCriticalpatent/JPS555269B2/ja
Priority to CA221,879Aprioritypatent/CA1022689A/en
Publication of JPS50120988ApublicationCriticalpatent/JPS50120988A/ja
Priority to US05/793,242prioritypatent/US4177477A/en
Publication of JPS555269B2publicationCriticalpatent/JPS555269B2/ja