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发明名称
MULTI-STAGE SCREW COMPRESSOR
摘要
申请公布号
JPH04171291(A)
申请公布日期
1992.06.18
申请号
JP19900293721
申请日期
1990.11.01
申请人
HITACHI LTD
发明人
MAEDA JUNJI
分类号
F04C18/16;F04C23/00
主分类号
F04C18/16
代理机构
代理人
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