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Application filedfiledCritical
Priority to JP7448585UpriorityCriticalpatent/JPH0220134Y2/ja
Priority to DE19863604178prioritypatent/DE3604178A1/de
Publication of JPS61189872UpublicationCriticalpatent/JPS61189872U/ja
Priority to US07/004,803prioritypatent/US4774809A/en
Application grantedgrantedCritical
Publication of JPH0220134Y2publicationCriticalpatent/JPH0220134Y2/ja
