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 JP1986080432UpriorityCriticalpatent/JPS62191378U/ja
Priority to US07/048,612prioritypatent/US4776767A/en
Priority to CA000536815Aprioritypatent/CA1294668C/en
Priority to KR1019870004699Aprioritypatent/KR900003403B1/ko
Publication of JPS62191378UpublicationCriticalpatent/JPS62191378U/ja
