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公开(公告)号:US2454683A
公开(公告)日:1948-11-23
申请号:US66186346
申请日:1946-04-12
Applicant: SANDOZ LTD
Inventor: WALTER WEHRLI , CHARLES PETITJEAN
IPC: C09B35/50
CPC classification number: C09B35/50
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2.Metallizable polyazo dyestuffs and a process for their preparation 失效
Title translation: 可金属化的多偶氮染料及其制备方法公开(公告)号:US2447222A
公开(公告)日:1948-08-17
申请号:US54281044
申请日:1944-06-29
Applicant: SANDOZ LTD
Inventor: WALTER WEHRLI , CHARLES PETITJEAN
IPC: C09B35/40
CPC classification number: C09B35/40
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