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发明名称
Verfahren zur Herstellung von Untertagbauten mit Profilen von über 150 m2.
摘要
申请公布号
CH255035(A)
申请公布日期
1948.06.15
申请号
CHD255035
申请日期
1947.06.26
申请人
MINDER,WALTER
发明人
MINDER,WALTER
分类号
E21D9/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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