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发明名称
摘要
申请公布号
JPH061988(U)
申请公布日期
1994.01.14
申请号
JP19920047641U
申请日期
1992.06.16
申请人
发明人
分类号
F16L47/00;(IPC1-7):F16L47/00
主分类号
F16L47/00
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