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公开(公告)号：US3431188A
公开(公告)日：1969-03-04
申请号：US3431188D
申请日：1964-11-18
Applicant: TORAY INDUSTRIES
Inventor： ITO SHOICHI , KAWAMOTO ICHIRO , HARA YOICHIRO
CPC classification number: B01J19/122 , B01J19/246 , B01J2219/00085 , B01J2219/00094
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