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发明名称
ZUSAETZLICHER HANDANTRIEB FUER FAHRRAEDER.
摘要
申请公布号
DE1606732(U)
申请公布日期
1950.05.17
申请号
DE194900D5803U
申请日期
1949.04.16
申请人
PAUL HAERTEL
发明人
PAUL HAERTEL
分类号
主分类号
代理机构
代理人
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