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经营范围
发明名称
Perfectionnement aux lignes de transmission d'ondes de surface
摘要
申请公布号
FR1090980(A)
申请公布日期
1955.04.06
申请号
FRD1090980
申请日期
1953.10.07
申请人
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES
发明人
CHIRON BERNARD
分类号
H01P3/10
主分类号
H01P3/10
代理机构
代理人
主权项
地址
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