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发明名称
Stufenpflug
摘要
申请公布号
DE1949057(A1)
申请公布日期
1971.04.15
申请号
DE19691949057
申请日期
1969.09.29
申请人
RUHM EDUARD
发明人
RUHM EDUARD
分类号
A01B13/14;A01B15/18
主分类号
A01B13/14
代理机构
代理人
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地址
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