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经营范围
发明名称
Incandescent lamp
摘要
申请公布号
GB961640(A)
申请公布日期
1964.06.24
申请号
GB19620046795
申请日期
1962.12.11
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
H01K3/02
主分类号
H01K3/02
代理机构
代理人
主权项
地址
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