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经营范围
发明名称
WEERSTANDSMATERIAAL.
摘要
申请公布号
NL7809554(A)
申请公布日期
1980.03.24
申请号
NL19780009554
申请日期
1978.09.20
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN TE EINDHOVEN.
发明人
分类号
H01C7/00;C01G55/00;H01B1/06;H01C7/02;H01C7/04;H01C17/065;(IPC1-7):H01C7/02
主分类号
H01C7/00
代理机构
代理人
主权项
地址
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