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 JP50033405ApriorityCriticalpatent/JPS51107109A/ja
Priority to GB942276Aprioritypatent/GB1531594A/en
Priority to DE19762611322prioritypatent/DE2611322A1/de
Priority to CA248,071Aprioritypatent/CA1049989A/en
Publication of JPS51107109ApublicationCriticalpatent/JPS51107109A/ja
Publication of JPS5749978B2publicationCriticalpatent/JPS5749978B2/ja
