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经营范围
发明名称
Tower or mast
摘要
申请公布号
US2401229(A)
申请公布日期
1946.05.28
申请号
US19440555955
申请日期
1944.09.27
申请人
HAROLD COHEN
发明人
COHEN HAROLD
分类号
E04H12/10
主分类号
E04H12/10
代理机构
代理人
主权项
地址
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