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发明名称
Rohrförmiger, mehrteiliger Grubenstempel aus Stahl oder Leichtmetall mit einem Spannschloß und in diesem angeordneten Wälzkörpern
摘要
申请公布号
AT179760(B)
申请公布日期
1954.10.11
申请号
ATD179760
申请日期
1953.06.18
申请人
GUTEHOFFNUNGSHUETTE OBERHAUSEN AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
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