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发明名称
摘要
申请公布号
JPH0356714(Y2)
申请公布日期
1991.12.20
申请号
JP19860068241U
申请日期
1986.05.08
申请人
发明人
分类号
F16L37/12;F16L37/00;(IPC1-7):F16L37/12
主分类号
F16L37/12
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代理人
主权项
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