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发明名称
METHOD OF OBTAINING UREA-FORMALDEHYDE RESINS IN PARTICULAR FOR IMPREGNATION OF PAPER MEDIA
摘要
申请公布号
PL155368(B1)
申请公布日期
1991.11.29
申请号
PL19870269388
申请日期
1987.12.09
申请人
发明人
分类号
C08G;C08G12/12;C08G12/40;(IPC1-7):C08G12/40
主分类号
C08G
代理机构
代理人
主权项
地址
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