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经营范围
发明名称
Eiserner Grubenstempel
摘要
申请公布号
DE715868(C)
申请公布日期
1942.01.08
申请号
DE1939T052797D
申请日期
1939.09.12
申请人
HEINRICH TOUSSAINT;BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
TOUSSAINT HEINRICH
分类号
E21D15/54
主分类号
E21D15/54
代理机构
代理人
主权项
地址
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