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发明名称
VANE TYPE VACUUM PUMP
摘要
申请公布号
JPH10231790(A)
申请公布日期
1998.09.02
申请号
JP19970033590
申请日期
1997.02.18
申请人
HITACHI LTD
发明人
USAMI TOSHIKAZU;HORIOKA KAZUO;ODAJIMA MITSUO
分类号
F04C18/344;(IPC1-7):F04C18/344
主分类号
F04C18/344
代理机构
代理人
主权项
地址
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