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经营范围
发明名称
Manufacture of sulphur colors
摘要
申请公布号
US2165493(A)
申请公布日期
1939.07.11
申请号
US19370160826
申请日期
1937.08.25
申请人
E.I. DU PONT DE NEMOURS & COMPANY
发明人
LUBS HERBERT A.;STROUSE GEORGE CLIFFORD
分类号
C09B49/10
主分类号
C09B49/10
代理机构
代理人
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地址
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