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发明名称
Pipe Parts for High Pressure Resistant Piping and Its Electrical Fusion Welding Method
摘要
申请公布号
KR100786669(B1)
申请公布日期
2007.12.21
申请号
KR20060024872
申请日期
2006.03.17
申请人
发明人
分类号
F16L47/02;F16L47/06
主分类号
F16L47/02
代理机构
代理人
主权项
地址
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