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1.发明授权
公开(公告)号：US2780604A
公开(公告)日：1957-02-05
申请号：US33274653
申请日：1953-01-22
Applicant: IONICS
Inventor： CLARKE JOHN T , HAMERSCHLAG ALLAN H
IPC: C07C209/08 , C08F26/00
CPC classification number: C07C209/08 , C08F26/00 , Y10S526/923
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