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Priority to JP1988010189UpriorityCriticalpatent/JPH0753041Y2/ja
Priority to DE3822885Aprioritypatent/DE3822885C2/de
Priority to US07/215,665prioritypatent/US5073048A/en
Publication of JPH01115704UpublicationCriticalpatent/JPH01115704U/ja
Application grantedgrantedCritical
Publication of JPH0753041Y2publicationCriticalpatent/JPH0753041Y2/ja