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公开(公告)号：US2723207A
公开(公告)日：1955-11-08
申请号：US28761852
申请日：1952-05-13
Applicant: B B CHEM CO
Inventor： MONTAGUE HALL ALAN , HAROLD WALTON EWART
IPC: C09J7/02
CPC classification number: C09J7/35 , Y10T428/273 , Y10T428/31993 , Y10T442/2746
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