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发明名称
BALANCED VALVE
摘要
申请公布号
CA315428(A)
申请公布日期
1931.09.22
申请号
CAD315428
申请日期
申请人
THE BAILEY METER COMPANY
发明人
JOSEPH M. BARRETT
分类号
主分类号
代理机构
代理人
主权项
地址
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