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 JP11028772ApriorityCriticalpatent/JPS5039639B2/ja
Priority to DE2324487Aprioritypatent/DE2324487A1/de
Priority to US360420Aprioritypatent/US3873473A/en
Priority to NL7306777Aprioritypatent/NL7306777A/xx
Publication of JPS4975486ApublicationCriticalpatent/JPS4975486A/ja
Publication of JPS5039639B2publicationCriticalpatent/JPS5039639B2/ja