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Priority to JP1988139200UpriorityCriticalpatent/JPH0732993Y2/ja
Priority to EP19890911868prioritypatent/EP0394497A4/en
Priority to PCT/JP1989/001110prioritypatent/WO1990004554A1/ja
Publication of JPH0260733UpublicationCriticalpatent/JPH0260733U/ja
Application grantedgrantedCritical
Publication of JPH0732993Y2publicationCriticalpatent/JPH0732993Y2/ja