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经营范围
发明名称
Composite beam
摘要
申请公布号
US2391250(A)
申请公布日期
1945.12.18
申请号
US19440550084
申请日期
1944.08.18
申请人
LEGOWIK THADDEUS A B
发明人
LEGOWIK THADDEUS A. B.
分类号
E04C3/29
主分类号
E04C3/29
代理机构
代理人
主权项
地址
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