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发明名称
Verfahren und Vorrichtung zur Herstellung von Grundwasserfassungen mit annähernd horizontalen Fassungssträngen.
摘要
申请公布号
CH287808(A)
申请公布日期
1952.12.31
申请号
CHD287808
申请日期
1950.06.16
申请人
TIEFBOHR- & BAUGESELLSCHAFT AG.
发明人
AG. TIEFBOHR- & BAUGESELLSCHAFT
分类号
E03B3/11
主分类号
E03B3/11
代理机构
代理人
主权项
地址
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