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发明名称
Speedometer testers
摘要
申请公布号
US2781659(A)
申请公布日期
1957.02.19
申请号
US19530392694
申请日期
1953.11.17
申请人
PHYLLIS A. PARKER
发明人
分类号
G01P21/02
主分类号
G01P21/02
代理机构
代理人
主权项
地址
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