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经营范围
发明名称
GENERATOR OF ELECTROSTATIC CHARGES
摘要
申请公布号
CA549808(A)
申请公布日期
1957.12.10
申请号
CAD549808
申请日期
申请人
PIERRE D. BERNARD
发明人
PIERRE D. BERNARD
分类号
主分类号
代理机构
代理人
主权项
地址
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