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发明名称
BALL VALVE LEAKAGE PREVENTION DEVICE
摘要
申请公布号
KR101062164(B1)
申请公布日期
2011.09.05
申请号
KR20110000371
申请日期
2011.01.04
申请人
DONG SAN CERAMIC CO., LTD.
发明人
DO, SEUNG HEE
分类号
F16K5/20;F16K5/06
主分类号
F16K5/20
代理机构
代理人
主权项
地址
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