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经营范围
发明名称
Isolateur à effet hélicon
摘要
申请公布号
FR1398818(A)
申请公布日期
1965.05.14
申请号
FR19640969161
申请日期
1964.03.31
申请人
C. S. F. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
分类号
H01P1/36;H03H7/00
主分类号
H01P1/36
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代理人
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