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发明名称
Recouvrement arrêtant les radiations visibles d'une lampe émettrice de radiations
摘要
申请公布号
FR939852(A)
申请公布日期
1948.11.26
申请号
FRD939852
申请日期
1947.01.21
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01K1/32
主分类号
H01K1/32
代理机构
代理人
主权项
地址
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