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Publication date
Application filedfiledCritical
Priority to JP8477788UpriorityCriticalpatent/JPH0640989Y2/ja
Priority to DE3990204Aprioritypatent/DE3990204C2/de
Priority to DE19893990204prioritypatent/DE3990204T1/de
Priority to PCT/JP1989/000254prioritypatent/WO1989008792A1/ja
Publication of JPH025633UpublicationCriticalpatent/JPH025633U/ja
Priority to US07/995,922prioritypatent/US5322474A/en
Application grantedgrantedCritical
Publication of JPH0640989Y2publicationCriticalpatent/JPH0640989Y2/ja
