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经营范围
发明名称
CENTRIFUGAL UPMPS
摘要
申请公布号
GB9115390(D0)
申请公布日期
1991.09.18
申请号
GB19910015390
申请日期
1991.07.17
申请人
INGERSOLL RAND CO
发明人
分类号
F04D29/44
主分类号
F04D29/44
代理机构
代理人
主权项
地址
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