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发明名称
Fahrrad mit zusätzlicher Antriebseinrichtung.
摘要
申请公布号
CH211589(A)
申请公布日期
1940.09.30
申请号
CHD211589
申请日期
1939.05.20
申请人
KAUFMANN,XAVER
发明人
KAUFMANN,XAVER
分类号
主分类号
代理机构
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