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发明名称
Concrete form supporting device
摘要
申请公布号
US1913070(A)
申请公布日期
1933.06.06
申请号
US19320606972
申请日期
1932.04.22
申请人
CONCRETE CONSTRUCTION ACCESSORIES CO.
发明人
COPESTAKE WILLIAM G.
分类号
E04G11/46
主分类号
E04G11/46
代理机构
代理人
主权项
地址
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