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经营范围
发明名称
Electrostatic machine
摘要
申请公布号
US2208217(A)
申请公布日期
1940.07.16
申请号
US19370136701
申请日期
1937.04.13
申请人
LANDERHOLM AXEL E
发明人
LANDERHOLM AXEL E.
分类号
H02N3/00
主分类号
H02N3/00
代理机构
代理人
主权项
地址
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