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发明名称
摘要
申请公布号
JPS5758191(U)
申请公布日期
1982.04.06
申请号
JP19800135375U
申请日期
1980.09.25
申请人
发明人
分类号
F16L39/00;F16L37/00;(IPC1-7):F16L39/00
主分类号
F16L39/00
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代理人
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