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Priority to JP9918389UpriorityCriticalpatent/JPH0624577Y2/ja
Priority to US07/439,818prioritypatent/US4986508A/en
Priority to DE3938550Aprioritypatent/DE3938550A1/de
Publication of JPH0338422UpublicationCriticalpatent/JPH0338422U/ja
Application grantedgrantedCritical
Publication of JPH0624577Y2publicationCriticalpatent/JPH0624577Y2/ja