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 JP18123084UpriorityCriticalpatent/JPS6195923U/ja
Publication of JPS6195923UpublicationCriticalpatent/JPS6195923U/ja
Priority to US07/167,086prioritypatent/US4884400A/en
