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发明名称
SICH SELBST REINIGENDES ACKERRAD MIT EINGEBAUTEM LAUFRING FUER DIE STRASSENFAHRT.
摘要
申请公布号
DE1648029(U)
申请公布日期
1952.12.18
申请号
DE194900W0453U
申请日期
1949.12.23
申请人
FRANZ WILLENBROCK
发明人
FRANZ WILLENBROCK
分类号
主分类号
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代理人
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地址
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