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发明名称
Schloss fuer Grubenstempel
摘要
申请公布号
DE960172(C)
申请公布日期
1957.03.21
申请号
DE1955E011684
申请日期
1955.12.15
申请人
ESSENER STEINKOHLENBERGWERKE AKTIENGESELLSCHAFT
发明人
KREUTZER DIPL.-ING. KARL
分类号
E21D15/28
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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