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公开(公告)号：US2748667A
公开(公告)日：1956-06-05
申请号：US36838853
申请日：1953-07-16
Applicant: ROSWELL F TAYLOR
Inventor： GRIEB JOHN J , NAPOLEON RIGABAR , TAYLOR ROSWELL F
IPC: D21B1/12
CPC classification number: D21B1/12
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