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经营范围
发明名称
Perfectionnements aux systèmes de radio-diffusion multiple sur ondes courtes
摘要
申请公布号
FR809474(A)
申请公布日期
1937.03.03
申请号
FRD809474
申请日期
1935.11.26
申请人
发明人
TOULON PIERRE, MARIE, GABRIEL
分类号
H04J1/00
主分类号
H04J1/00
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代理人
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