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公开(公告)号：US2353675A
公开(公告)日：1944-07-18
申请号：US37774841
申请日：1941-02-06
Applicant: FIRM SANDOZ LTD
Inventor： OSCAR KNECHT , OTTO SENN
IPC: C09B45/16
CPC classification number: C09B45/16
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