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经营范围
发明名称
VACUUM VALVE
摘要
申请公布号
JPH062786(A)
申请公布日期
1994.01.11
申请号
JP19920159159
申请日期
1992.06.18
申请人
SEKISUI CHEM CO LTD
发明人
YAMABE YASUO
分类号
E03F3/00;F16K11/044;F16K51/02;(IPC1-7):F16K51/02
主分类号
E03F3/00
代理机构
代理人
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地址
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