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.)
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Priority to JP8428272ApriorityCriticalpatent/JPS5532068B2/ja
Priority to NL7311437Aprioritypatent/NL7311437A/xx
Priority to GB3978573Aprioritypatent/GB1444728A/en
Priority to DE19732342435prioritypatent/DE2342435C3/de
Publication of JPS4940612ApublicationCriticalpatent/JPS4940612A/ja
Publication of JPS5532068B2publicationCriticalpatent/JPS5532068B2/ja