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发明名称
Outer right angle corner forming unit for a concrete wall form
摘要
申请公布号
US2791818(A)
申请公布日期
1957.05.14
申请号
US19550508847
申请日期
1955.05.17
申请人
SUPERIOR CONCRETE ACCESSORIES, INC.
发明人
HILLBERG BROR
分类号
E04G11/12;E04G17/00
主分类号
E04G11/12
代理机构
代理人
主权项
地址
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