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发明名称
Building structure
摘要
申请公布号
US2458606(A)
申请公布日期
1949.01.11
申请号
US19460648403
申请日期
1946.02.18
申请人
KNABE MARTIN C
发明人
KNABE MARTIN C.
分类号
E04C3/40
主分类号
E04C3/40
代理机构
代理人
主权项
地址
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