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发明名称
LUBRICATING OIL AUTOMATIC RECOVERY DEVICE FOR DRY VACUUM PUMP
摘要
申请公布号
JPH04171292(A)
申请公布日期
1992.06.18
申请号
JP19900293722
申请日期
1990.11.01
申请人
HITACHI LTD
发明人
SHIIKI KAZUAKI;TORIGOE HIROSHI;NAYA KOTARO;ITO TORU;HANAOKA SUSUMU
分类号
F04C25/02;F04C29/02
主分类号
F04C25/02
代理机构
代理人
主权项
地址
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