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发明名称
摘要
申请公布号
JPS54176114(U)
申请公布日期
1979.12.12
申请号
JP19780074402U
申请日期
1978.06.02
申请人
发明人
分类号
F16L15/04;F16L15/00;F16L58/10;(IPC1-7):F16L58/10
主分类号
F16L15/04
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代理人
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