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经营范围
发明名称
Tachometer
摘要
申请公布号
US2082949(A)
申请公布日期
1937.06.08
申请号
US19340757691
申请日期
1934.12.15
申请人
JAEGER WATCH COMPANY, INC.
发明人
GIRARD PIERRE MARIE
分类号
G01P3/10
主分类号
G01P3/10
代理机构
代理人
主权项
地址
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