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Priority to JP5082088UpriorityCriticalpatent/JPH0614288Y2/ja
Priority to CN 89207211prioritypatent/CN2054558U/zh
Publication of JPH01154531UpublicationCriticalpatent/JPH01154531U/ja
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Publication of JPH0614288Y2publicationCriticalpatent/JPH0614288Y2/ja