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经营范围
发明名称
Membranpumpe
摘要
申请公布号
DE494754(C)
申请公布日期
1930.03.27
申请号
DE1928D054981D
申请日期
1928.02.16
申请人
THE DORR COMPANY
发明人
分类号
F04B43/00
主分类号
F04B43/00
代理机构
代理人
主权项
地址
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