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 JP12191873ApriorityCriticalpatent/JPS5548712B2/ja
Priority to DE2451343Aprioritypatent/DE2451343C3/de
Priority to US05/518,219prioritypatent/US3953664A/en
Priority to CA212,254Aprioritypatent/CA1008971A/en
Priority to GB46567/74Aprioritypatent/GB1482784A/en
Publication of JPS5070862ApublicationCriticalpatent/JPS5070862A/ja
Publication of JPS5548712B2publicationCriticalpatent/JPS5548712B2/ja