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经营范围
发明名称
Zweiteiliger Grubenstempel
摘要
申请公布号
DE650993(C)
申请公布日期
1937.10.06
申请号
DE1935B171684D
申请日期
1935.11.09
申请人
BERGTECHNIK G.M.B.H.
发明人
分类号
E21D15/36;E21D15/56
主分类号
E21D15/36
代理机构
代理人
主权项
地址
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