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经营范围
发明名称
GREIFER.
摘要
申请公布号
DE7007475(U)
申请公布日期
1970.07.09
申请号
DE19700007475U
申请日期
1970.03.02
申请人
GRUEN & BILFINGER AG
发明人
分类号
E21B11/04
主分类号
E21B11/04
代理机构
代理人
主权项
地址
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