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发明名称
SCHEIBENRADVERSTEIFUNG FUER RECHENRAEDER VON HEUWERBUNGSMASCHINEN.
摘要
申请公布号
DE1665685(U)
申请公布日期
1953.10.22
申请号
DE195300R7156U
申请日期
1953.08.25
申请人
THEODOR RULFFES
发明人
THEODOR RULFFES
分类号
主分类号
代理机构
代理人
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