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经营范围
发明名称
Procédé de fabrication d'éléments optiques
摘要
申请公布号
FR1024794(A)
申请公布日期
1953.04.07
申请号
FRD1024794
申请日期
1950.09.21
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
B29D11/00;G02B3/04
主分类号
B29D11/00
代理机构
代理人
主权项
地址
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