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经营范围
发明名称
Electrophotographic process and element comprising n, n, n,' n', tetrasubstituted-p-phenylenediamines
摘要
申请公布号
US3314788(A)
申请公布日期
1967.04.18
申请号
US19660542620
申请日期
1966.04.14
申请人
S. D. WARREN COMPANY
发明人
MATTOR JOHN ALAN
分类号
G03G5/06
主分类号
G03G5/06
代理机构
代理人
主权项
地址
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