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发明名称
Dispositif perfectionné de couplage pour installations télégraphiques
摘要
申请公布号
FR799385(A)
申请公布日期
1936.06.11
申请号
FRD799385
申请日期
1935.12.17
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
H04L12/00
主分类号
H04L12/00
代理机构
代理人
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