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发明名称
Perfectionnement aux systèmes de modulation pour télécommunications
摘要
申请公布号
FR897700(A)
申请公布日期
1945.03.28
申请号
FRD897700
申请日期
1943.04.16
申请人
COMPAGNIE GENERALE D'ELECTRICITE
发明人
PARMENTIER MAURICE-JOSEPH-MARIE
分类号
H04L27/04
主分类号
H04L27/04
代理机构
代理人
主权项
地址
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