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发明名称
Reinforcing bar support
摘要
申请公布号
US2349399(A)
申请公布日期
1944.05.23
申请号
US19420435917
申请日期
1942.03.23
申请人
POWELL AWBREY WILLIAM
发明人
AWBREY WILLIAM POWELL
分类号
E04C5/18
主分类号
E04C5/18
代理机构
代理人
主权项
地址
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