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发明名称
MULTI-LAYER DUCT AND RELATED MANUFACTURING PROCESS
摘要
申请公布号
KR20070031905(A)
申请公布日期
2007.03.20
申请号
KR20067024052
申请日期
2006.11.16
申请人
发明人
分类号
F16L11/127;F16L9/12
主分类号
F16L11/127
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代理人
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