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经营范围
发明名称
Improvements in or relating to prestressed concrete
摘要
申请公布号
GB835935(A)
申请公布日期
1960.05.25
申请号
GB19580036424
申请日期
1957.04.10
申请人
ERICH LUEBBERT;EUGEN SCHULZ;ULRICH FINSTERWALDER;REINHARD JECHT;EGON RUF
发明人
分类号
E04C5/12
主分类号
E04C5/12
代理机构
代理人
主权项
地址
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