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公开(公告)号：US2233620A
公开(公告)日：1941-03-04
申请号：US29871339
申请日：1939-10-09
Applicant: COMMERICAL SOLVENTS CORP
Inventor： LIPPINCOTT SAMUEL B
IPC: C07C201/16
CPC classification number: C07C201/16 , C07C205/02
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