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发明名称
摘要
申请公布号
JPH0318823(Y2)
申请公布日期
1991.04.22
申请号
JP19870200278U
申请日期
1987.12.29
申请人
发明人
分类号
F16L5/02;F23K5/00;(IPC1-7):F23K5/00
主分类号
F16L5/02
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代理人
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