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Priority to JP1987085988UpriorityCriticalpatent/JPS63194960U/ja
Priority to US07/114,164prioritypatent/US4771855A/en
Priority to GB8725624Aprioritypatent/GB2204558B/en
Priority to FR878715508Aprioritypatent/FR2615219B1/fr
Priority to KR1019870012656Aprioritypatent/KR910009282B1/ko
Priority to CA000552478Aprioritypatent/CA1293224C/en
Priority to DE19873741399prioritypatent/DE3741399A1/de
Publication of JPS63194960UpublicationCriticalpatent/JPS63194960U/ja