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Application filedfiledCritical
Priority to JP1986186077UpriorityCriticalpatent/JPH0537063Y2/ja
Priority to DE19873740570prioritypatent/DE3740570A1/de
Publication of JPS6391743UpublicationCriticalpatent/JPS6391743U/ja
Priority to US07/397,644prioritypatent/US5070979A/en
Application grantedgrantedCritical
Publication of JPH0537063Y2publicationCriticalpatent/JPH0537063Y2/ja
