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发明名称
摘要
申请公布号
JP2547686(Y2)
申请公布日期
1997.09.10
申请号
JP19920021953U
申请日期
1992.03.13
申请人
发明人
分类号
F16L3/12;F16L3/22;F16L3/223;(IPC1-7):F16L3/22
主分类号
F16L3/12
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代理人
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