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发明名称
摘要
申请公布号
JPS6246052(Y2)
申请公布日期
1987.12.10
申请号
JP19800187886U
申请日期
1980.12.27
申请人
发明人
分类号
F16K11/00;F16K27/00;(IPC1-7):F16K11/00
主分类号
F16K11/00
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