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发明名称
A pipe structure having oil groove breaker for alternation
摘要
申请公布号
KR100527765(B1)
申请公布日期
2005.11.10
申请号
KR20030081750
申请日期
2003.11.18
申请人
发明人
分类号
F16L55/10;(IPC1-7):F16L55/10
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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