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发明名称
Vorrichtung zum Rauben von Grubenausbaurahmen
摘要
申请公布号
DE1004569(B)
申请公布日期
1957.03.21
申请号
DE1955C010912
申请日期
1955.03.14
申请人
ESSENER STEINKOHLENBERGWERKE AKTIENGESELLSCHAFT
发明人
HOEVELS DR.-ING. WERNER
分类号
E21D11/40
主分类号
E21D11/40
代理机构
代理人
主权项
地址
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