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发明名称
Appareil de protection pour chemins de fer et applications analogues
摘要
申请公布号
FR1049145(A)
申请公布日期
1953.12.28
申请号
FRD1049145
申请日期
1952.01.15
申请人
发明人
BANDET MARCEL
分类号
B61L5/20
主分类号
B61L5/20
代理机构
代理人
主权项
地址
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