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发明名称
摘要
申请公布号
JPH0517287(U)
申请公布日期
1993.03.05
申请号
JP19910065686U
申请日期
1991.08.20
申请人
发明人
分类号
F16L3/00;F16L3/24;(IPC1-7):F16L3/00
主分类号
F16L3/00
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