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公开(公告)号：US2468803A
公开(公告)日：1949-05-03
申请号：US72493247
申请日：1947-01-28
Applicant: COMPTOIR TEXTILES ARTIFICIELS
Inventor： ANDRE BONNET , PIERRE COSTET
IPC: C01D5/16
CPC classification number: C01D5/16
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