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发明名称
摘要
申请公布号
JPS5424727(U)
申请公布日期
1979.02.17
申请号
JP19770098017U
申请日期
1977.07.22
申请人
发明人
分类号
F16K17/04;(IPC1-7):F16K17/04
主分类号
F16K17/04
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代理人
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