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发明名称
Time marks for the sweep of cathode-ray tubes
摘要
申请公布号
US2448363(A)
申请公布日期
1948.08.31
申请号
US19450602100
申请日期
1945.06.28
申请人
SPERRY PRODUCTS, INC.
发明人
FIRESTONE FLOYD A.;JR. RALPH B. DE LANO,
分类号
G01R13/30
主分类号
G01R13/30
代理机构
代理人
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地址
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