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发明名称
Procédé pour mesurer dans un quadripôle la différence entre le retard de groupe d'une onde de fréquence fo et celui d'une onde de fréquence f et installation pour la mise en oeuvre dudit procédé.
摘要
申请公布号
CH271415(A)
申请公布日期
1950.10.31
申请号
CHD271415
申请日期
1948.03.10
申请人
COMPAGNIE INDUSTRIELLE DES TELEPHONES
发明人
TELEPHONES COMPAGNIE INDUSTRIELLE DES
分类号
H04B3/46
主分类号
H04B3/46
代理机构
代理人
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地址
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