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发明名称
ELECTRONIC-ULTRASONICS TUBE
摘要
申请公布号
GB1221631(A)
申请公布日期
1971.02.03
申请号
GB19690000612
申请日期
1969.01.03
申请人
WOJSKOWA AKADEMIA TECHNICZNA IM. JAROSLAWA DABROWSKIEGO
发明人
分类号
H01J25/38;H03F13/00
主分类号
H01J25/38
代理机构
代理人
主权项
地址
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