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发明名称
摘要
申请公布号
JPS5410528(U)
申请公布日期
1979.01.24
申请号
JP19770082943U
申请日期
1977.06.25
申请人
发明人
分类号
F16K31/143;(IPC1-7):F16K31/143
主分类号
F16K31/143
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代理人
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地址
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