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发明名称
摘要
申请公布号
JPS58119982(U)
申请公布日期
1983.08.16
申请号
JP19820014023U
申请日期
1982.02.05
申请人
发明人
分类号
F16L13/02;B23K33/00;F16L13/12;(IPC1-7):B23K31/06
主分类号
F16L13/02
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