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发明名称
Connecting end structure of spiral type flexible pipe
摘要
申请公布号
KR20090004832(U)
申请公布日期
2009.05.20
申请号
KR20070018514U
申请日期
2007.11.16
申请人
发明人
分类号
F16L21/00;F16L47/06
主分类号
F16L21/00
代理机构
代理人
主权项
地址
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