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公开(公告)号：US3526321A
公开(公告)日：1970-09-01
申请号：US3526321D
申请日：1967-10-10
Applicant: NAT RES DEV
Inventor： FLOWER JOHN RICHARD
IPC: A61M1/22 , B01D63/00 , C07D265/22 , B01D13/00 , B01D31/00
CPC classification number: B01D63/082 , B01D61/28
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