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发明名称
Vorrichtung zur Regelung der Foerdermenge von Zahnradpumpen
摘要
申请公布号
DE496442(C)
申请公布日期
1930.04.17
申请号
DE1927H110736D
申请日期
1927.03.26
申请人
DR.-ING. MARTIN HOELKEN SEN.
发明人
分类号
F04C14/22
主分类号
F04C14/22
代理机构
代理人
主权项
地址
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