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经营范围
发明名称
Fabrication of concrete elements or structures
摘要
申请公布号
US2413911(A)
申请公布日期
1947.01.07
申请号
US19430506074
申请日期
1943.10.13
申请人
CURZON DOBELL
发明人
DOBELL CURZON
分类号
E04G11/20
主分类号
E04G11/20
代理机构
代理人
主权项
地址
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