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经营范围
发明名称
GROUTING SYSTEM
摘要
申请公布号
US3518834(A)
申请公布日期
1970.07.07
申请号
USD3518834
申请日期
1968.05.09
申请人
SOIL TESTING SERVICES INC.
发明人
JOHN P. GNAEDINGER;ALVARO L. RUIZ
分类号
E02D3/12;(IPC1-7):E02D3/12;E01G3/00
主分类号
E02D3/12
代理机构
代理人
主权项
地址
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