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经营范围
发明名称
VACUUM PUMP
摘要
申请公布号
JPH03290091(A)
申请公布日期
1991.12.19
申请号
JP19900090344
申请日期
1990.04.06
申请人
HITACHI LTD
发明人
TANIYAMA MINORU;MASE MASAHIRO;NAKAMORI KAZUAKI
分类号
F04D19/04
主分类号
F04D19/04
代理机构
代理人
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地址
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