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公开(公告)号：US3198601A
公开(公告)日：1965-08-03
申请号：US13775261
申请日：1961-09-13
Applicant: MONTEDISON SPA
Inventor： GIACINTO VERONICA , MICHELE MAGGIORE
IPC: C01D5/02
CPC classification number: C01D5/02
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