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1.发明授权Extractive distillation of closeboiling organic compounds from their liquid mixtures 失效从其液体混合物中萃取蒸馏有机化合物
公开(公告)号：US2591712A
公开(公告)日：1952-04-08
申请号：US76844047
申请日：1947-08-13
Applicant: STANDARD OIL DEV CO
Inventor： MORRELL CHARLES E , ROHERTSON NAT C
IPC: C07C29/84
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