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发明名称
Building construction
摘要
申请公布号
US2392839(A)
申请公布日期
1946.01.15
申请号
US19430505904
申请日期
1943.10.12
申请人
JOHN B. PIERCE FOUNDATION
发明人
DAVISON ROBERT L.;RAPP GEORGE M.
分类号
E04B7/08;E04C3/38
主分类号
E04B7/08
代理机构
代理人
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