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发明名称
摘要
申请公布号
JPH0353678(U)
申请公布日期
1991.05.23
申请号
JP19890115125U
申请日期
1989.09.30
申请人
发明人
分类号
F16K3/18;(IPC1-7):F16K3/18
主分类号
F16K3/18
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代理人
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