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发明名称
Reinforced concrete beam
摘要
申请公布号
US2636377(A)
申请公布日期
1953.04.28
申请号
US19450627211
申请日期
1945.11.07
申请人
GEORGE HILPERT MEIER
发明人
HILPERT MEIER GEORGE
分类号
E04B5/29
主分类号
E04B5/29
代理机构
代理人
主权项
地址
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