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经营范围
发明名称
Slow Wave Structure
摘要
申请公布号
GB1189811(A)
申请公布日期
1970.04.29
申请号
GB19670005898
申请日期
1967.02.07
申请人
MATSUSHITA ELECTRICAL INDUSTRIAL CO., LTD.
发明人
分类号
H01J23/50
主分类号
H01J23/50
代理机构
代理人
主权项
地址
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