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发明名称
BUTTERFLY VALVE CONTROLLER
摘要
申请公布号
KR790000287(Y1)
申请公布日期
1979.03.21
申请号
KR19770004792U
申请日期
1977.08.06
申请人
JEONG S T
发明人
JEONG S T
分类号
主分类号
代理机构
代理人
主权项
地址
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