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发明名称
摘要
申请公布号
JPS5716274(B1)
申请公布日期
1982.04.03
申请号
JP19710002355
申请日期
1971.01.25
申请人
发明人
分类号
B29D23/00;F16L11/08;F16L11/112;(IPC1-7):F16L11/08
主分类号
B29D23/00
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