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 JP3124976ApriorityCriticalpatent/JPS52115172A/ja
Priority to DE2712543Aprioritypatent/DE2712543C2/de
Priority to US05/780,327prioritypatent/US4100566A/en
Publication of JPS52115172ApublicationCriticalpatent/JPS52115172A/ja
Publication of JPS5330989B2publicationCriticalpatent/JPS5330989B2/ja
