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经营范围
发明名称
Apparatus for the production of a smoke or fog of finely divided materials
摘要
申请公布号
GB621778(A)
申请公布日期
1949.04.19
申请号
GB19480023066
申请日期
1945.05.10
申请人
THE GENERAL ELECTRIC COMPANY
发明人
分类号
H01J9/20
主分类号
H01J9/20
代理机构
代理人
主权项
地址
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