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公开(公告)号：US3479264A
公开(公告)日：1969-11-18
申请号：US3479264D
申请日：1965-04-28
Applicant: TORAY INDUSTRIES
Inventor： ITO YOSHIKAZU , WAKAMATSU SHIGERU , HARA YOICHIRO , MORINO JIRO
CPC classification number: B01J19/122 , Y10S204/903
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