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发明名称
Process for the preparation of pechmann dye
摘要
申请公布号
US2640837(A)
申请公布日期
1953.06.02
申请号
US19510253974
申请日期
1951.10.30
申请人
AMERICAN CYANAMID COMPANY
发明人
FANG JAMES CHEN-SHANG;BERGMANN WERNER
分类号
C09B57/00
主分类号
C09B57/00
代理机构
代理人
主权项
地址
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