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发明名称
摘要
申请公布号
JPS6132225(U)
申请公布日期
1986.02.26
申请号
JP19840117705U
申请日期
1984.07.30
申请人
发明人
分类号
E02B5/00;E02B13/02;F16K31/20;(IPC1-7):E02B13/02
主分类号
E02B5/00
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代理人
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