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发明名称
Dispositif de réglage de la circulation au moyen de signaux radioélectriques
摘要
申请公布号
FR933688(A)
申请公布日期
1948.04.28
申请号
FRD933688
申请日期
1946.09.17
申请人
HAZELTINE CORPORATION
发明人
分类号
B61L3/12;B61L23/12;G01S13/78;G01S13/93;H04J3/00
主分类号
B61L3/12
代理机构
代理人
主权项
地址
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