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经营范围
发明名称
Improvements in apparatus for generating wavelength modulated waves
摘要
申请公布号
GB656871(A)
申请公布日期
1951.09.05
申请号
GB19430004966
申请日期
1943.03.26
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
H01J25/00;H01J25/42;H03C3/30;H03K7/04
主分类号
H01J25/00
代理机构
代理人
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