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经营范围
发明名称
N,n-disubstituted-ú-phenylene diamine salts
摘要
申请公布号
GB1032006(A)
申请公布日期
1966.06.08
申请号
GB19640020439
申请日期
1964.05.15
申请人
IAN MELVILLE CLARK
发明人
分类号
G03C7/413
主分类号
G03C7/413
代理机构
代理人
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