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发明名称
Fluid flow indicator
摘要
申请公布号
US2489512(A)
申请公布日期
1949.11.29
申请号
US19460716456
申请日期
1946.12.16
申请人
AUXIER FRANK M
发明人
AUXIER FRANK M.
分类号
B28C7/12;G01P13/00
主分类号
B28C7/12
代理机构
代理人
主权项
地址
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