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发明名称
VORBAUHAKEN FUER ALLE EISENAUSBAUTEN IM STRECKENVORTRIEB, VORZUGSWEISE ZUR ERZIELUNG EINES VORLAEUFIG GESICHERTEN, ZUR EINBRINGUNG DES ENDGUELTIGEN AUSBAUES BESTIMMTEN RAUMES.
摘要
申请公布号
DE1846214(U)
申请公布日期
1962.02.08
申请号
DE196100K9084U
申请日期
1961.08.23
申请人
FRANZ-JOSEF KELLERMANN
发明人
FRANZ-JOSEF KELLERMANN
分类号
E21D17/022
主分类号
E21D17/022
代理机构
代理人
主权项
地址
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