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发明名称
摘要
申请公布号
JPS61170779(U)
申请公布日期
1986.10.23
申请号
JP19850054289U
申请日期
1985.04.13
申请人
发明人
分类号
F16K17/16;(IPC1-7):F16K17/16
主分类号
F16K17/16
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代理人
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