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发明名称
摘要
申请公布号
JPH0192571(U)
申请公布日期
1989.06.16
申请号
JP19870188953U
申请日期
1987.12.10
申请人
发明人
分类号
F16K17/06;(IPC1-7):F16K17/06
主分类号
F16K17/06
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代理人
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