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经营范围
发明名称
Filament forming
摘要
申请公布号
US3285293(A)
申请公布日期
1966.11.15
申请号
US19660520036
申请日期
1966.01.03
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
MATHESON WILFRID G.
分类号
H01K3/04
主分类号
H01K3/04
代理机构
代理人
主权项
地址
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