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Application filedfiledCritical
Priority to JP1987115625UpriorityCriticalpatent/JPH0534376Y2/ja
Priority to US07/215,305prioritypatent/US5005810A/en
Priority to DE3823238Aprioritypatent/DE3823238A1/de
Publication of JPS6420574UpublicationCriticalpatent/JPS6420574U/ja
Application grantedgrantedCritical
Publication of JPH0534376Y2publicationCriticalpatent/JPH0534376Y2/ja
