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发明名称
摘要
申请公布号
JPS63108573(U)
申请公布日期
1988.07.13
申请号
JP19870000689U
申请日期
1987.01.07
申请人
发明人
分类号
F16K15/16;F04B27/08;F04B39/10;(IPC1-7):F04B27/08
主分类号
F16K15/16
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代理人
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