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经营范围
发明名称
Perfectionnements aux lampes électriques
摘要
申请公布号
FR1063063(A)
申请公布日期
1954.04.29
申请号
FRD1063063
申请日期
1952.04.11
申请人
INTERNATIONAL POLAROID CORPORATION
发明人
分类号
H01K1/50
主分类号
H01K1/50
代理机构
代理人
主权项
地址
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