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经营范围
发明名称
SPIRAL PIPE
摘要
申请公布号
KR20130001818(U)
申请公布日期
2013.03.15
申请号
KR20110008167U
申请日期
2011.09.07
申请人
发明人
分类号
F16L9/16;F16L9/17
主分类号
F16L9/16
代理机构
代理人
主权项
地址
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