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发明名称
VACUUM EXHAUSTING DEVICE
摘要
申请公布号
JPH02185681(A)
申请公布日期
1990.07.20
申请号
JP19890004107
申请日期
1989.01.11
申请人
MITSUBISHI ELECTRIC CORP
发明人
ONO KAZUKIYO;KOGA MICHIO
分类号
F16K24/04;F04B37/16
主分类号
F16K24/04
代理机构
代理人
主权项
地址
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