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发明名称
摘要
申请公布号
JP3442246(B2)
申请公布日期
2003.09.02
申请号
JP19970011299
申请日期
1997.01.24
申请人
发明人
分类号
F16L21/02;(IPC1-7):F16L21/02
主分类号
F16L21/02
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