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公开(公告)号：US3448057A
公开(公告)日：1969-06-03
申请号：US3448057D
申请日：1965-06-09
Applicant: TOYO SODA MFG CO LTD
Inventor： KOSAKA YUJIRO , HAYATA MASAAKI , HISATOMI YOSHIHIRO
CPC classification number: B01J27/00
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