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发明名称
Grubenstempel
摘要
申请公布号
DE950273(C)
申请公布日期
1956.10.04
申请号
DE1952B021123
申请日期
1952.07.11
申请人
GEORG BACHMANN;ANNEMARIE FOELSKE, GEB. BACHMANN;IRMGARD CLAUS, GEB. BACHMANN
发明人
BACHMANN GEORG
分类号
E21D15/00;E21D15/32;E21D15/502;E21D15/58
主分类号
E21D15/00
代理机构
代理人
主权项
地址
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