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Priority to JP17005887UpriorityCriticalpatent/JPH0620775Y2/ja
Priority to US07/267,098prioritypatent/US4900003A/en
Priority to DE3844686Aprioritypatent/DE3844686C2/de
Priority to DE3838038Aprioritypatent/DE3838038A1/de
Publication of JPH0272261UpublicationCriticalpatent/JPH0272261U/ja
Application grantedgrantedCritical
Publication of JPH0620775Y2publicationCriticalpatent/JPH0620775Y2/ja