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经营范围
发明名称
TUNNELING CHAMBER
摘要
申请公布号
GB2203779(B)
申请公布日期
1991.01.09
申请号
GB19880009752
申请日期
1988.04.25
申请人
* GTA GMBH FERTIGUNGSBETRIEB UND INGENIEURBURO FUR GRUBENBEDARF TRANSPORT- UND AUSBAUTECHNIK
发明人
HELMUT * HEISTERKAMP;EMIL * KONIETZKA
分类号
E21D19/04
主分类号
E21D19/04
代理机构
代理人
主权项
地址
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