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Priority to JP1985035536UpriorityCriticalpatent/JPH0325328Y2/ja
Priority to KR868600258Aprioritypatent/KR900002980B1/ko
Priority to US06/821,185prioritypatent/US4701901A/en
Priority to DE19863601831prioritypatent/DE3601831A1/de
Publication of JPS61153161UpublicationCriticalpatent/JPS61153161U/ja
Application grantedgrantedCritical
Publication of JPH0325328Y2publicationCriticalpatent/JPH0325328Y2/ja