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经营范围
发明名称
ROTODYNAMIC DEVICE FOR MOVING FLUIDS
摘要
申请公布号
GB1494333(A)
申请公布日期
1977.12.07
申请号
GB19740032171
申请日期
1974.12.11
申请人
DELLACHA J
发明人
分类号
F04D1/14;F04D23/00;F04D29/18;F04D29/28;(IPC1-7):F04D1/00;F04D29/22
主分类号
F04D1/14
代理机构
代理人
主权项
地址
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