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经营范围
发明名称
Improved Impedance-Matched Periodic Microwave Circuits and Tubes Using Same.
摘要
申请公布号
GB1163104(A)
申请公布日期
1969.09.04
申请号
GB19660057037
申请日期
1966.12.20
申请人
S-F-D LABORATORIES, INC.
发明人
分类号
H01J23/00;H01J23/24;H01J23/26;H01J25/42;H01P1/211
主分类号
H01J23/00
代理机构
代理人
主权项
地址
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