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.)
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Priority to JP47099613ApriorityCriticalpatent/JPS5214128B2/ja
Priority to US05/401,847prioritypatent/US3970780A/en
Priority to CA182,385Aprioritypatent/CA994907A/en
Publication of JPS4957354ApublicationCriticalpatent/JPS4957354A/ja
Publication of JPS5214128B2publicationCriticalpatent/JPS5214128B2/ja
