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发明名称
METHOD OF IMPREGNATING PERMEABLE MATERIALS WITH A POLYURETHANE POLYMER
摘要
申请公布号
US3702781(A)
申请公布日期
1972.11.14
申请号
USD3702781
申请日期
1970.03.30
申请人
CONTINENTAL TAPES INC.
发明人
ROLF DAHL
分类号
C08G18/10;C08G18/24;C08G18/69;D21H17/57;(IPC1-7):C09J7/04
主分类号
C08G18/10
代理机构
代理人
主权项
地址
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