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发明名称
Zweiteiliger eiserner Grubenstempel
摘要
申请公布号
DE810384(C)
申请公布日期
1951.08.09
申请号
DE1948P004533
申请日期
1948.10.02
申请人
SCHMIDT ALEXANDER DR.-ING.
发明人
SCHMIDT ALEXANDER DR.-ING.
分类号
E21D15/28;E21D15/42
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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