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发明名称
Pre-stressed reinforced concrete floor and elements for constructing the same
摘要
申请公布号
GB635200(A)
申请公布日期
1950.04.05
申请号
GB19450025649
申请日期
1945.10.02
申请人
JEAN CELESTIN HIPPOLYTE LACHAISE
发明人
分类号
E04B1/58;E04C3/26
主分类号
E04B1/58
代理机构
代理人
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地址
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