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发明名称
Impulse tachometer
摘要
申请公布号
US1772152(A)
申请公布日期
1930.08.05
申请号
US19230673529
申请日期
1923.11.08
申请人
LUCKEY GEORGE P
发明人
LUCKEY GEORGE P.
分类号
G01P1/04;G01P3/28
主分类号
G01P1/04
代理机构
代理人
主权项
地址
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