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经营范围
发明名称
VACUUM VALVE
摘要
申请公布号
JPH07317943(A)
申请公布日期
1995.12.08
申请号
JP19940109820
申请日期
1994.05.24
申请人
SEKISUI CHEM CO LTD
发明人
YAMABE YASUO
分类号
E03F3/00;F16K31/126;F16K51/02;(IPC1-7):F16K31/126
主分类号
E03F3/00
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代理人
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