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发明名称
摘要
申请公布号
JP2523360(Y2)
申请公布日期
1997.01.22
申请号
JP19890104131U
申请日期
1989.09.05
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发明人
分类号
F16K31/06;(IPC1-7):F16K31/06
主分类号
F16K31/06
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