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经营范围
发明名称
Metallic building unit
摘要
申请公布号
US2178357(A)
申请公布日期
1939.10.31
申请号
US19380227934
申请日期
1938.09.01
申请人
HOESS FRANK L
发明人
HOESS FRANK L.
分类号
E04D3/362
主分类号
E04D3/362
代理机构
代理人
主权项
地址
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