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发明名称
PREPARATION OF COPOLYESTERS
摘要
申请公布号
US3554976(A)
申请公布日期
1971.01.12
申请号
USD3554976
申请日期
1968.07.24
申请人
E.I. DU PONT DE NEMOURS AND CO.
发明人
CHARLES F. HULL
分类号
C08G63/183;C08J11/00;(IPC1-7):C08G17/01
主分类号
C08G63/183
代理机构
代理人
主权项
地址
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