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发明名称
摘要
申请公布号
JPS51131717(U)
申请公布日期
1976.10.23
申请号
JP19750051422U
申请日期
1975.04.16
申请人
发明人
分类号
F16L21/06;F16L21/08;F16L23/00;F16L23/024;F16L23/026;F16L23/028;F16L47/06;(IPC1-7):F16L47/06
主分类号
F16L21/06
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代理人
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地址
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