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公开(公告)号：US3352930A
公开(公告)日：1967-11-14
申请号：US34010464
申请日：1964-01-24
Applicant: MELLE USINES SA
Inventor： PAULINE DEMINIER JEANNE , HENRI MENTION JEAN-PAUL , LOUISE VERDIER YVONNE , GEORGES GOBRON
IPC: C07C29/00
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