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发明名称
Fluid flow indicator
摘要
申请公布号
US2137102(A)
申请公布日期
1938.11.15
申请号
US19360080369
申请日期
1936.05.18
申请人
THE PURE OIL COMPANY
发明人
JR. CHARLES F. TERRELL,
分类号
F16N29/00
主分类号
F16N29/00
代理机构
代理人
主权项
地址
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