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发明名称
IMPROVEMENT OF VACUUM PUMP
摘要
申请公布号
JPH11230085(A)
申请公布日期
1999.08.24
申请号
JP19980336868
申请日期
1998.11.27
申请人
BOC GROUP PLC:THE
发明人
LEYSHON DAVID RHODRI
分类号
F04D19/04;(IPC1-7):F04D19/04
主分类号
F04D19/04
代理机构
代理人
主权项
地址
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