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发明名称
Building of precast concrete segments
摘要
申请公布号
US2691291(A)
申请公布日期
1954.10.12
申请号
US19490108131
申请日期
1949.08.02
申请人
ALBERT HENDERSON
发明人
HENDERSON ALBERT
分类号
E04B1/348
主分类号
E04B1/348
代理机构
代理人
主权项
地址
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