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经营范围
发明名称
SELF-PRESSURE DIRECTIONAL VALVE
摘要
申请公布号
KR20060099191(A)
申请公布日期
2006.09.19
申请号
KR20050020258
申请日期
2005.03.10
申请人
RYU, BYUNG BAN
发明人
RYU, BYUNG BAN
分类号
F16K39/04;F16K11/065
主分类号
F16K39/04
代理机构
代理人
主权项
地址
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