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发明名称
Anordnung von hintereinandergeschalteten Federn bei Federmotoren
摘要
申请公布号
DE492288(C)
申请公布日期
1930.02.27
申请号
DE1928K108742D
申请日期
1928.03.30
申请人
DIPL.-ING. HERMANN KOLLMANN
发明人
分类号
F03G5/00
主分类号
F03G5/00
代理机构
代理人
主权项
地址
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