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发明名称
Fluid flow indicator
摘要
申请公布号
US2687457(A)
申请公布日期
1954.08.24
申请号
US19510215420
申请日期
1951.03.14
申请人
F. BAMFORD AND COMPANY LIMITED
发明人
SMITH FRANK
分类号
G01P13/00
主分类号
G01P13/00
代理机构
代理人
主权项
地址
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