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.)
Priority date (The priority date 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 date listed.)
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Publication date
Application filedfiledCritical
Priority to JP15510386UpriorityCriticalpatent/JPS6360725U/ja
Priority to PCT/JP1987/000672prioritypatent/WO1988002448A1/ja
Publication of JPS6360725UpublicationCriticalpatent/JPS6360725U/ja
Priority to US07/330,019prioritypatent/US4949831A/en
