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经营范围
发明名称
Curb inlet casting
摘要
申请公布号
US2566119(A)
申请公布日期
1951.08.28
申请号
US19500152589
申请日期
1950.03.29
申请人
CROCKER DE WITT S
发明人
CROCKER DE WITT S.
分类号
E01C11/22;E03F5/046
主分类号
E01C11/22
代理机构
代理人
主权项
地址
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