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经营范围
发明名称
Pulse train indicator
摘要
申请公布号
US2857587(A)
申请公布日期
1958.10.21
申请号
US19550541107
申请日期
1955.10.17
申请人
TOLLEFSON ROBERT D;WILKERSON JEFFERSON R
发明人
TOLLEFSON ROBERT D.;WILKERSON JEFFERSON R.
分类号
G01S7/28
主分类号
G01S7/28
代理机构
代理人
主权项
地址
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