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发明名称
Verbindung der Einzelsegmente bei Ausbaurahmen fuer den staehlernen Grubenausbau
摘要
申请公布号
DE851786(C)
申请公布日期
1952.10.09
申请号
DE1950T003593
申请日期
1950.12.05
申请人
AUGUST THYSSEN-HUETTE AKTIENGESELLSCHAFT
发明人
KOBLITZ WILHELM
分类号
E21D11/22
主分类号
E21D11/22
代理机构
代理人
主权项
地址
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