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 JP7009573ApriorityCriticalpatent/JPS57286B2/ja
Priority to GB2750474Aprioritypatent/GB1437852A/en
Priority to NL7408265Aprioritypatent/NL7408265A/xx
Priority to CH850874Aprioritypatent/CH585683A5/xx
Priority to FR7421724Aprioritypatent/FR2234259B1/fr
Priority to DE19742429757prioritypatent/DE2429757C3/de
Publication of JPS5018406ApublicationCriticalpatent/JPS5018406A/ja
Publication of JPS57286B2publicationCriticalpatent/JPS57286B2/ja