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公开(公告)号：US3480495A
公开(公告)日：1969-11-25
申请号：US3480495D
申请日：1966-07-11
Applicant: IONICS
Inventor： SOHN BERNARD I , EISENMANN JOHN L , ALEXANDER SAMUEL S
CPC classification number: C08J5/2287 , Y10T428/192
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