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Priority to JP871088UpriorityCriticalpatent/JPH01114221U/ja
Priority to DE3807119Aprioritypatent/DE3807119A1/de
Priority to DE3844785Aprioritypatent/DE3844785C2/de
Priority to US07/164,442prioritypatent/US4898499A/en
Priority to DE3844787Aprioritypatent/DE3844787C2/de
Priority to DE3844788Aprioritypatent/DE3844788C2/de
Priority to KR2019880003626Uprioritypatent/KR950001370Y1/ko
Publication of JPH01114221UpublicationCriticalpatent/JPH01114221U/ja