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发明名称
A BUTTERFLY VALVE HAVING THE SUB PIPE HOLE
摘要
申请公布号
KR100490591(B1)
申请公布日期
2005.05.11
申请号
KR20050007204
申请日期
2005.01.26
申请人
HYUN DAE VALVE CO., LTD.
发明人
CHOI, SU WOONG
分类号
F16K1/22;F16K1/226;F16K1/228;(IPC1-7):F16K1/22
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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