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发明名称
ELECTROSTATIC CHARGING DEVICE
摘要
申请公布号
CA908724(A)
申请公布日期
1972.08.29
申请号
CAD908724
申请日期
申请人
BELL AND HOWELL COMPANY
发明人
LEO J. DA PRATO
分类号
主分类号
代理机构
代理人
主权项
地址
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