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经营范围
发明名称
Schachtglocke
摘要
申请公布号
DE1233810(B)
申请公布日期
1967.02.09
申请号
DE1961B062246
申请日期
1961.04.22
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
PROSTKA KARL
分类号
E21D5/08
主分类号
E21D5/08
代理机构
代理人
主权项
地址
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