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发明名称
Rotameter
摘要
申请公布号
US2404361(A)
申请公布日期
1946.07.23
申请号
US19430484710
申请日期
1943.04.27
申请人
FISCHER & PORTER COMPANY
发明人
BREWER NATHANIEL
分类号
G01F1/22
主分类号
G01F1/22
代理机构
代理人
主权项
地址
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