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公开(公告)号：DE1814678A1
公开(公告)日：1969-08-21
申请号：DE1814678
申请日：1968-12-14
Applicant: IBM
Inventor： FREDERICK DOWDEN BARRY , DAVID SHATTUCK MEREDITH
IPC: C07C45/74 , C07C49/683 , C07D455/04 , C09B23/01 , G03G5/06 , G03G5/00
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