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发明名称
Zweiteiliger Grubenstempel
摘要
申请公布号
DE835585(C)
申请公布日期
1952.04.03
申请号
DE1949P047793
申请日期
1949.07.05
申请人
HANS GERLACH
发明人
KLEINSCHMIDT WILHELM
分类号
E21D15/502
主分类号
E21D15/502
代理机构
代理人
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地址
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