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发明名称
METHODS AND DEVICES FOR THE MANUFACTURE OF PRESTRESSED CONCRETE STRUCTURAL MEMBERS
摘要
申请公布号
CA526786(A)
申请公布日期
1956.06.26
申请号
CAD526786
申请日期
申请人
FRITZ LEONHARDT
发明人
FRITZ LEONHARDT
分类号
主分类号
代理机构
代理人
主权项
地址
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