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经营范围
发明名称
SEALING AGENT FOR CONCRETES AND CEMENT MORTARS
摘要
申请公布号
PL139125(B1)
申请公布日期
1986.12.31
申请号
PL19830243258
申请日期
1983.08.02
申请人
发明人
分类号
C04B;C04B24/16;C09K;C09K3/00;(IPC1-7):C09K3/00
主分类号
C04B
代理机构
代理人
主权项
地址
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