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发明名称
Systèmes de transmission de fac-similés ou analogues
摘要
申请公布号
FR857550(A)
申请公布日期
1940.09.18
申请号
FRD857550
申请日期
1939.03.31
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
G03C7/00;H04N1/50;H04N1/64
主分类号
G03C7/00
代理机构
代理人
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地址
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