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发明名称
Laengenveraenderlicher Grubenstempel
摘要
申请公布号
DE1011379(B)
申请公布日期
1957.07.04
申请号
DE1956G020189
申请日期
1956.07.26
申请人
KARL GERLACH;DIPL.-ING. HANS GERLACH
发明人
GERLACH KARL;GERLACH DIPL.-ING. HANS
分类号
E21D15/38
主分类号
E21D15/38
代理机构
代理人
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