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发明名称
VACUUM VALVE
摘要
申请公布号
JPH11294626(A)
申请公布日期
1999.10.29
申请号
JP19980094557
申请日期
1998.04.07
申请人
SEKISUI CHEM CO LTD
发明人
OTSUKA TETSUSHI
分类号
E03F7/00;F16K31/126;(IPC1-7):F16K31/126
主分类号
E03F7/00
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代理人
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