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经营范围
发明名称
Substituted sulphur dyestuff
摘要
申请公布号
US1853435(A)
申请公布日期
1932.04.12
申请号
US19300460093
申请日期
1930.06.09
申请人
GENERAL ANILINE WORKS, INC.
发明人
KRAMER ERWIN;BOLLWEG BERNARD;ZEH LUDWIG
分类号
D06P1/30
主分类号
D06P1/30
代理机构
代理人
主权项
地址
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