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发明名称
APPARATUS FOR MEASURING ELECTROSTATIC CHARGES
摘要
申请公布号
CA502021(A)
申请公布日期
1954.05.04
申请号
CAD502021
申请日期
申请人
CANADIAN INDUSTRIES LIMITED
发明人
GEORGE WHITLOCK GRAHAM
分类号
主分类号
代理机构
代理人
主权项
地址
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