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经营范围
发明名称
Perfectionnements aux dispositifs de commande d'accord automatique
摘要
申请公布号
FR1132026(A)
申请公布日期
1957.03.04
申请号
FRD1132026
申请日期
1955.05.20
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H03J7/30
主分类号
H03J7/30
代理机构
代理人
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地址
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