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发明名称
Building construction
摘要
申请公布号
US2212906(A)
申请公布日期
1940.08.27
申请号
US19380223612
申请日期
1938.08.08
申请人
VOKES RALPH C
发明人
VOKES RALPH C.
分类号
E04B1/58;E04B2/68
主分类号
E04B1/58
代理机构
代理人
主权项
地址
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