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发明名称
PIPE BREAKAGE CONTROL VALVE DEVICE
摘要
申请公布号
KR20020072187(A)
申请公布日期
2002.09.14
申请号
KR1020017015689
申请日期
2001.12.06
申请人
发明人
分类号
F15B20/00
主分类号
F15B20/00
代理机构
代理人
主权项
地址
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