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发明名称
Polyamide color formers
摘要
申请公布号
US2428108(A)
申请公布日期
1947.09.30
申请号
US19450579693
申请日期
1945.02.24
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
MCQUEEN DAVID MALCOLM
分类号
C08L77/00
主分类号
C08L77/00
代理机构
代理人
主权项
地址
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