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经营范围
发明名称
Lamp stem head
摘要
申请公布号
GB930297(A)
申请公布日期
1963.07.03
申请号
GB19600037195
申请日期
1960.10.28
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
H01K1/22
主分类号
H01K1/22
代理机构
代理人
主权项
地址
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