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发明名称
摘要
申请公布号
JPS57196884(U)
申请公布日期
1982.12.14
申请号
JP19810085205U
申请日期
1981.06.10
申请人
发明人
分类号
F16L19/06;F16L19/08;(IPC1-7):F16L19/06
主分类号
F16L19/06
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