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Priority to JP15233089UpriorityCriticalpatent/JPH0645672Y2/ja
Priority to KR1019900014297Aprioritypatent/KR910012551A/ko
Priority to DE4029041Aprioritypatent/DE4029041A1/de
Publication of JPH0389995UpublicationCriticalpatent/JPH0389995U/ja
Application grantedgrantedCritical
Publication of JPH0645672Y2publicationCriticalpatent/JPH0645672Y2/ja
