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发明名称
摘要
申请公布号
JPH0488582(U)
申请公布日期
1992.07.31
申请号
JP19900403045U
申请日期
1990.12.13
申请人
发明人
分类号
F16K47/10;F16K47/04;(IPC1-7):F16K47/04
主分类号
F16K47/10
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