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经营范围
发明名称
VERSTEIFUNG DER STAEHLERNEN BOEGEN IM STRECKENAUSBAU.
摘要
申请公布号
DE1681769(U)
申请公布日期
1954.08.19
申请号
DE195300M3131U
申请日期
1953.11.23
申请人
ERICH MEININGHAUS
发明人
ERICH MEININGHAUS
分类号
E21D11/28
主分类号
E21D11/28
代理机构
代理人
主权项
地址
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