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经营范围
发明名称
Dyeing or coloring of cellulose acetate
摘要
申请公布号
US1829130(A)
申请公布日期
1931.10.27
申请号
US19250060341
申请日期
1925.10.03
申请人
CELANESE CORPORATION OF AMERICA
发明人
ELLIS GEORGE HOLLAND
分类号
C09B31/00
主分类号
C09B31/00
代理机构
代理人
主权项
地址
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