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经营范围
发明名称
Filament suspension
摘要
申请公布号
US3244928(A)
申请公布日期
1966.04.05
申请号
US19550537951
申请日期
1955.10.03
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
JOHNSTON BRUCE R.
分类号
H01J1/18
主分类号
H01J1/18
代理机构
代理人
主权项
地址
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