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发明名称
SHAFT SEALING DEVICE FOR OIL COOLED SCREW COMPRESSOR
摘要
申请公布号
JPH02238192(A)
申请公布日期
1990.09.20
申请号
JP19890237067
申请日期
1989.09.14
申请人
HITACHI LTD
发明人
KIKUCHI SHIRO
分类号
F04C27/00;F04C28/06
主分类号
F04C27/00
代理机构
代理人
主权项
地址
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