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发明名称
Kappenverbindung fuer den Grubenausbau vorzugsweise fuer den Strebausbau im Grubenbetrieb
摘要
申请公布号
DE972892(C)
申请公布日期
1959.10.22
申请号
DE1950V003009
申请日期
1950.12.30
申请人
VANWERSCH PETER;VANWERSCH LUDWIG;VANWERSCH ALOYS
发明人
VANWERSCH PETER;VANWERSCH LUDWIG;VANWERSCH ALOYS
分类号
E21D17/086
主分类号
E21D17/086
代理机构
代理人
主权项
地址
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