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经营范围
发明名称
Grubenstempel
摘要
申请公布号
DE916705(C)
申请公布日期
1954.08.16
申请号
DE1951H007873
申请日期
1951.03.16
申请人
DR.-ING. ARNOLD HAARMANN
发明人
HAARMANN DR.-ING. ARNOLD
分类号
E21D15/56
主分类号
E21D15/56
代理机构
代理人
主权项
地址
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