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经营范围
发明名称
Metal frames for constructing building boards
摘要
申请公布号
US2005301(A)
申请公布日期
1935.06.18
申请号
US19330701959
申请日期
1933.12.12
申请人
RAFTER MACHINE COMPANY
发明人
RAFTER ALBERT
分类号
E04C2/04
主分类号
E04C2/04
代理机构
代理人
主权项
地址
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