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Priority claimed from JP60014442Aexternal-prioritypatent/JPH0667452B2/ja
Priority claimed from JP1985018136Uexternal-prioritypatent/JPH0243475Y2/ja
Priority claimed from JP1769685Uexternal-prioritypatent/JPS61135530U/ja
Application filed by Babcock Hitachi KkfiledCriticalBabcock Hitachi Kk
Priority claimed from EP86101173Aexternal-prioritypatent/EP0189917B1/de
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Publication of ATE46758T1publicationCriticalpatent/ATE46758T1/de