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经营范围
发明名称
BAR GRAPH RECORDING SYSTEM
摘要
申请公布号
CA625733(A)
申请公布日期
1961.08.15
申请号
CAD625733
申请日期
申请人
THE PERKIN-ELMER CORPORATION
发明人
HORACE G. MCDONELL;EMMETT S. WATSON
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