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发明名称
摘要
申请公布号
JPS62174177(U)
申请公布日期
1987.11.05
申请号
JP19860062517U
申请日期
1986.04.24
申请人
发明人
分类号
F16K1/42;E03C1/042;F16K17/38;(IPC1-7):F16K1/42
主分类号
F16K1/42
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代理人
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