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发明名称
Rammpfahl I-foermigen Querschnitts
摘要
申请公布号
DE669132(C)
申请公布日期
1938.12.17
申请号
DE1931A061604D
申请日期
1931.04.19
申请人
DORTMUND-HOERDER HUETTENVEREIN AKT.-GES.
发明人
AUSTERMUEHLE WILHELM
分类号
E02D5/28
主分类号
E02D5/28
代理机构
代理人
主权项
地址
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