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发明名称
Brosse métallique pour pédale de signalisation pour voies ferrées et pédale munie de cette brosse
摘要
申请公布号
FR810265(A)
申请公布日期
1937.03.18
申请号
FRD810265
申请日期
1935.12.04
申请人
发明人
COLAS JOSEPH ERNEST
分类号
B61L1/04
主分类号
B61L1/04
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