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发明名称
Verfahren und Vorrichtung zur Herstellung von Pressbetonortpfaehlen
摘要
申请公布号
DE646228(C)
申请公布日期
1937.06.12
申请号
DE1932S104288D
申请日期
1932.04.23
申请人
SIEMENS-BAUUNION G.M.B.H. KOMM.-GES.
发明人
分类号
E02D27/48
主分类号
E02D27/48
代理机构
代理人
主权项
地址
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