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发明名称
Perfectionnements aux chapeaux, notamment pour lampes électriques
摘要
申请公布号
FR1150082(A)
申请公布日期
1958.01.07
申请号
FRD1150082
申请日期
1956.04.24
申请人
SOCIETE LYONNAISE DES VERRERIES D'ECLAIRAGE ELECTRIQUE
发明人
分类号
F21V17/00;F21V17/08
主分类号
F21V17/00
代理机构
代理人
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