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发明名称
摘要
申请公布号
JPH0290475(U)
申请公布日期
1990.07.18
申请号
JP19880168188U
申请日期
1988.12.28
申请人
发明人
分类号
F16K31/04;H01H21/28;(IPC1-7):F16K31/04
主分类号
F16K31/04
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