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发明名称
VALVE AND VACUUM DEVICE USING IT
摘要
申请公布号
JPH04307192(A)
申请公布日期
1992.10.29
申请号
JP19910071605
申请日期
1991.04.04
申请人
TOSHIBA CORP
发明人
USUDA KOJI;SUGIYAMA NAOHARU;YAMADA HIROSAKU
分类号
F16K3/02;F16K51/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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