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发明名称
IMPROVEMENTS IN OR RELATING TO TRAVELLING WAVE TUBES
摘要
申请公布号
GB1218070(A)
申请公布日期
1971.01.06
申请号
GB19680042661
申请日期
1968.09.06
申请人
THE M-O VALVE COMPANY LIMITED
发明人
ARFON DANIEL WILLIAMS
分类号
H01J23/11
主分类号
H01J23/11
代理机构
代理人
主权项
地址
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