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发明名称
4' methoxy 5 halogeno diphenylamino 2' carboxyl compound and process for producing the same
摘要
申请公布号
US2389147(A)
申请公布日期
1945.11.20
申请号
US19430511110
申请日期
1943.11.20
申请人
FRIEDHELM ERNST A H;ERNST BERGMANN
发明人
FRIEDHELM ERNST A. H.;BERGMANN ERNST
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