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发明名称
Perfectionnements aux dispositifs de manipulation utilisés dans des circuits de haute fréquence
摘要
申请公布号
FR42095(E)
申请公布日期
1933.05.19
申请号
FRD42095
申请日期
1932.07.26
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LTD
发明人
分类号
H03C1/62
主分类号
H03C1/62
代理机构
代理人
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