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发明名称
Adjustable clamping means for concrete forms
摘要
申请公布号
US2112868(A)
申请公布日期
1938.04.05
申请号
US19360078979
申请日期
1936.05.11
申请人
RAYMOND M. CALKINS
发明人
SWANK JAMES W.
分类号
E04G13/02
主分类号
E04G13/02
代理机构
代理人
主权项
地址
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