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经营范围
发明名称
Beam connecting unit
摘要
申请公布号
US2313280(A)
申请公布日期
1943.03.09
申请号
US19410389554
申请日期
1941.04.21
申请人
AMERICAN DIAGRID CORPORATION
发明人
SZEGO STEVEN D.
分类号
E04B1/58;F16B7/04
主分类号
E04B1/58
代理机构
代理人
主权项
地址
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