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发明名称
OILLESS SCREW TYPE FLUID MACHINE
摘要
申请公布号
JPH03242489(A)
申请公布日期
1991.10.29
申请号
JP19900035686
申请日期
1990.02.16
申请人
HITACHI LTD
发明人
NAGAI TOSHIAKI
分类号
F04C18/16
主分类号
F04C18/16
代理机构
代理人
主权项
地址
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