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Priority to JP13650588UpriorityCriticalpatent/JPH0620136Y2/ja
Priority to US07/413,663prioritypatent/US4938140A/en
Priority to DE68914562Tprioritypatent/DE68914562T2/de
Priority to EP89117959Aprioritypatent/EP0361476B1/en
Publication of JPH0257068UpublicationCriticalpatent/JPH0257068U/ja
Application grantedgrantedCritical
Publication of JPH0620136Y2publicationCriticalpatent/JPH0620136Y2/ja