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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Publication date
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Priority to JP49049567ApriorityCriticalpatent/JPS5213807B2/ja
Priority to DE2519588Aprioritypatent/DE2519588C2/de
Priority to CA226,148Aprioritypatent/CA1037208A/en
Priority to US05/574,244prioritypatent/US3992218A/en
Publication of JPS50141612ApublicationCriticalpatent/JPS50141612A/ja
Publication of JPS5213807B2publicationCriticalpatent/JPS5213807B2/ja
