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发明名称
摘要
申请公布号
JPH0250575(U)
申请公布日期
1990.04.09
申请号
JP19880129138U
申请日期
1988.09.30
申请人
发明人
分类号
F16K24/06;F16K17/04;F16K17/18;(IPC1-7):F16K17/18
主分类号
F16K24/06
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代理人
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