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
Priority to BE757717DpriorityCriticalpatent/BE757717A/xx
Application filedfiledCritical
Priority to JP758970Aprioritypatent/JPS4832310B1/ja
Priority to DE19702050771prioritypatent/DE2050771A1/de
Priority to CH1553470Aprioritypatent/CH562815A5/de
Publication of JPS4832310B1publicationCriticalpatent/JPS4832310B1/ja
