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发明名称
Scaffold bracket structure
摘要
申请公布号
US2940716(A)
申请公布日期
1960.06.14
申请号
US19570701524
申请日期
1957.12.09
申请人
ALLEN HARLAN CAMPBELL
发明人
HARLAN CAMPBELL ALLEN
分类号
E04G3/20;E04G5/06
主分类号
E04G3/20
代理机构
代理人
主权项
地址
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