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发明名称
摘要
申请公布号
JPS54100224(U)
申请公布日期
1979.07.14
申请号
JP19770178688U
申请日期
1977.12.27
申请人
发明人
分类号
F16K31/70;F16K17/38;(IPC1-7):F16K17/38
主分类号
F16K31/70
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