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Priority to JP16233786UpriorityCriticalpatent/JPH0323541Y2/ja
Priority to GB8724788Aprioritypatent/GB2197484B/en
Priority to US07/111,718prioritypatent/US4870861A/en
Priority to DE19873735967prioritypatent/DE3735967A1/de
Publication of JPS6367936UpublicationCriticalpatent/JPS6367936U/ja
Application grantedgrantedCritical
Publication of JPH0323541Y2publicationCriticalpatent/JPH0323541Y2/ja
