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发明名称
摘要
申请公布号
JPS5520790(U)
申请公布日期
1980.02.09
申请号
JP19780104663U
申请日期
1978.07.28
申请人
发明人
分类号
F16L27/08;F24H9/16;(IPC1-7):F16L27/08
主分类号
F16L27/08
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