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发明名称
Grubenstempel
摘要
申请公布号
DE1085119(B)
申请公布日期
1960.07.14
申请号
DE1958B050611
申请日期
1958.10.04
申请人
GEORG BACHMANN
发明人
BACHMANN GEORG
分类号
E21D15/28;E21D15/502
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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