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经营范围
发明名称
DUAL SAFETY VALVE
摘要
申请公布号
KR20010052471(A)
申请公布日期
2001.06.25
申请号
KR1020007013542
申请日期
2000.11.30
申请人
发明人
分类号
F16K17/00
主分类号
F16K17/00
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代理人
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