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经营范围
发明名称
Precast curb system
摘要
申请公布号
US4971475(A)
申请公布日期
1990.11.20
申请号
US19890413753
申请日期
1989.09.28
申请人
GROUPE PERMACON INC.
发明人
CASTONGUAY, BERTIN;RATTE, ALAIN
分类号
B28B7/20;E01C11/22
主分类号
B28B7/20
代理机构
代理人
主权项
地址
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