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公开(公告)号：US3474139A
公开(公告)日：1969-10-21
申请号：US3474139D
申请日：1963-12-23
Applicant: DOMTAR LTD
Inventor： LEIB JOSEPH
IPC: C07C313/08 , C07C145/00 , C07C149/34
CPC classification number: C07C313/08 , C07C323/00
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