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经营范围
发明名称
Natriumdampfentladungslampe
摘要
申请公布号
DE1040685(B)
申请公布日期
1958.10.09
申请号
DE1956N011733
申请日期
1956.01.19
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
VERWEY WESSEL
分类号
B41F3/30;E04G7/26;H01J61/22;H01J61/30
主分类号
B41F3/30
代理机构
代理人
主权项
地址
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