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经营范围
发明名称
Clamping device for scaffolding
摘要
申请公布号
US2997767(A)
申请公布日期
1961.08.29
申请号
US19590842445
申请日期
1959.09.25
申请人
R. D. WERNER CO., INC.
发明人
GROVER CHARLES F.;STARR JOHN A. B.
分类号
E04G7/30
主分类号
E04G7/30
代理机构
代理人
主权项
地址
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