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 JP50095888ApriorityCriticalpatent/JPS5219860A/ja
Priority to US05/712,167prioritypatent/US4056988A/en
Publication of JPS5219860ApublicationCriticalpatent/JPS5219860A/ja
Publication of JPS5740935B2publicationCriticalpatent/JPS5740935B2/ja
