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发明名称
Nitrogen injecting apparatus for hydraulic test of pipeline under high pressure
摘要
申请公布号
KR20130003989(U)
申请公布日期
2013.07.03
申请号
KR20110011465U
申请日期
2011.12.23
申请人
发明人
分类号
F17C9/02;F17C13/00;G01M3/28
主分类号
F17C9/02
代理机构
代理人
主权项
地址
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