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经营范围
发明名称
Improvements in or relating to cathode ray tubes
摘要
申请公布号
GB483679(A)
申请公布日期
1938.04.25
申请号
GB19360029372
申请日期
1936.10.28
申请人
ARTURO CASTELLANI;SAFARI¬S. A. FABBRICAZIONE APPARECCHI RADIOFONICI
发明人
分类号
H01J29/82
主分类号
H01J29/82
代理机构
代理人
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地址
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