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经营范围
发明名称
Eiserner Dalben
摘要
申请公布号
DE517246(C)
申请公布日期
1931.02.02
申请号
DENDATO015528D
申请日期
申请人
HERMANN OBERSCHULTE
发明人
分类号
E02B3/28
主分类号
E02B3/28
代理机构
代理人
主权项
地址
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