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发明名称
ELECTRO-STATIC CHARGING STRUCTURE
摘要
申请公布号
CA457036(A)
申请公布日期
1949.05.31
申请号
CAD457036
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
ELROY W. YUNGMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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