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发明名称
Dispositif de commande et de réglage directs de commutateur de contrôle des lames d'aiguilles
摘要
申请公布号
FR847090(A)
申请公布日期
1939.10.03
申请号
FRD847090
申请日期
1938.06.09
申请人
发明人
PONS PAUL HENRI
分类号
B61L5/10
主分类号
B61L5/10
代理机构
代理人
主权项
地址
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