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发明名称
FLOAT OPERATED VALVE
摘要
申请公布号
CA312390(A)
申请公布日期
1931.06.16
申请号
CAD312390
申请日期
申请人
THE RAYFIELD MANUFACTURING COMPANY
发明人
CHARLES L. RAYFIELD
分类号
主分类号
代理机构
代理人
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地址
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