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发明名称
Doppel-Rollhacke
摘要
申请公布号
DE846323(C)
申请公布日期
1952.08.11
申请号
DE1948P017155D
申请日期
1948.10.06
申请人
L. BERGMANN
发明人
BERGMANN FRANZ
分类号
A01B1/06
主分类号
A01B1/06
代理机构
代理人
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