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发明名称
Liquid flow meter
摘要
申请公布号
US2146827(A)
申请公布日期
1939.02.14
申请号
US19370148486
申请日期
1937.06.16
申请人
FRIEDRICH KRUSPI
发明人
KRUSPI FRIEDRICH
分类号
G01F13/00
主分类号
G01F13/00
代理机构
代理人
主权项
地址
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