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发明名称
Vorbaustempel
摘要
申请公布号
DE846534(C)
申请公布日期
1952.08.14
申请号
DE1942G001342D
申请日期
1942.09.29
申请人
GUTEHOFFNUNGSHUETTE OBERHAUSEN AKTIENGESELLSCHAFT
发明人
FROEHLICH KARL DIPL.-ING.;KLINKENBERG HEINZ
分类号
E21D15/28
主分类号
E21D15/28
代理机构
代理人
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