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发明名称
BUILDING CONSTRUCTION
摘要
申请公布号
CA450932(A)
申请公布日期
1948.08.31
申请号
CAD450932
申请日期
申请人
JOHN M. PIERCE FOUNDATION
发明人
GEORGE M. RAPP;ROBERT L. DAVISON
分类号
主分类号
代理机构
代理人
主权项
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