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发明名称
Speed recorders
摘要
申请公布号
US2874018(A)
申请公布日期
1959.02.17
申请号
US19550530225
申请日期
1955.08.24
申请人
ANSTALT MERCES
发明人
ARNI JOHANN R.
分类号
G01P1/12;G04F5/00
主分类号
G01P1/12
代理机构
代理人
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