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发明名称
Spacer between inner and outer pipes
摘要
申请公布号
KR100553250(B1)
申请公布日期
2006.02.22
申请号
KR20030009652
申请日期
2003.02.15
申请人
发明人
分类号
F16L9/18
主分类号
F16L9/18
代理机构
代理人
主权项
地址
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