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经营范围
发明名称
Procédé de fabrication d'objets en quartz, en particulier pour applications optiques
摘要
申请公布号
FR1254065(A)
申请公布日期
1961.02.17
申请号
FR19600821437
申请日期
1960.03.15
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
C03C1/02;C03C21/00
主分类号
C03C1/02
代理机构
代理人
主权项
地址
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