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发明名称
Kreiselrad mit sprialfoermig gekruemmten Schaufeln,insbesondere in Kanalradpumpen
摘要
申请公布号
DE1453747(A1)
申请公布日期
1969.01.23
申请号
DE19641453747
申请日期
1964.04.04
申请人
ETA-CORP. GMBH
发明人
分类号
F04D29/22
主分类号
F04D29/22
代理机构
代理人
主权项
地址
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