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公开(公告)号：US2563665A
公开(公告)日：1951-08-07
申请号：US8843949
申请日：1949-04-19
Applicant: COMPTOIR TEXTILES ARTIFICIELS
Inventor： IVAN THOMAS
IPC: F16K17/08
CPC classification number: F16K17/085 , Y10T137/7836
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