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公开(公告)号：US3320324A
公开(公告)日：1967-05-16
申请号：US33634664
申请日：1964-01-08
Applicant: HERCULES INC
Inventor： KOUBA DELORE L
IPC: C07C207/04
CPC classification number: C07C207/04 , C07C201/00
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