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公开(公告)号：CH481888A
公开(公告)日：1969-11-30
申请号：CH1454566
申请日：1966-10-10
Applicant: STAMICARBON
Inventor： ABRAHAM HERMANUS DE ROOJ , JAN ELMENDORP
IPC: C01B21/14 , C07C20060101 , C07C131/00 , C07C131/04
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