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经营范围
发明名称
PISTON TYPE VACUUM PUMP
摘要
申请公布号
JPH08165990(A)
申请公布日期
1996.06.25
申请号
JP19940308645
申请日期
1994.12.13
申请人
HITACHI LTD
发明人
SAKUMA TADASHI;SASAYA KAZUYUKI
分类号
F04B39/00;F04B37/14;(IPC1-7):F04B37/14
主分类号
F04B39/00
代理机构
代理人
主权项
地址
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