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发明名称
Multiple speed centrifugal compressors
摘要
申请公布号
US2757856(A)
申请公布日期
1956.08.07
申请号
US19510237520
申请日期
1951.07.19
申请人
YVES CONAN
发明人
CONAN YVES
分类号
F04D25/02
主分类号
F04D25/02
代理机构
代理人
主权项
地址
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