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经营范围
发明名称
Zweiteiliger staehlerner Grubenstempel
摘要
申请公布号
DE831833(C)
申请公布日期
1952.02.18
申请号
DE1948P012852
申请日期
1948.10.02
申请人
HERMANN SCHWARZ K.G.
发明人
分类号
E21D15/32
主分类号
E21D15/32
代理机构
代理人
主权项
地址
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