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 JP2130072ApriorityCriticalpatent/JPS555680B2/ja
Priority to US00290556Aprioritypatent/US3822394A/en
Priority to NLAANVRAGE7213027,Aprioritypatent/NL173811C/xx
Priority to DE19722247940prioritypatent/DE2247940C3/de
Publication of JPS4889583ApublicationCriticalpatent/JPS4889583A/ja
Publication of JPS555680B2publicationCriticalpatent/JPS555680B2/ja