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发明名称
VACUUM VALVE
摘要
申请公布号
JPH06174147(A)
申请公布日期
1994.06.24
申请号
JP19920353607
申请日期
1992.12.14
申请人
EBARA CORP
发明人
KON AKIHIRO
分类号
F16K31/122;E03F1/00;F16K51/02;G05D9/02;(IPC1-7):F16K51/02
主分类号
F16K31/122
代理机构
代理人
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地址
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