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发明名称
Fahrradantrieb mit Wechselradanordnung.
摘要
申请公布号
AT150673(B)
申请公布日期
1937.09.25
申请号
ATD150673
申请日期
1936.09.28
申请人
RUDOLF WELHARTICKY JUN.
发明人
RUDOLF WELHARTICKY JUN.
分类号
主分类号
代理机构
代理人
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