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发明名称
摘要
申请公布号
JPS59136080(U)
申请公布日期
1984.09.11
申请号
JP19830030109U
申请日期
1983.03.01
申请人
发明人
分类号
F16K31/68;F01P7/16;F16K17/38;(IPC1-7):F16K17/38
主分类号
F16K31/68
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代理人
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