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发明名称
Crocodile perfectionné pour voies ferrées
摘要
申请公布号
FR783167(A)
申请公布日期
1935.07.09
申请号
FRD783167
申请日期
1934.03.13
申请人
发明人
COLAS JOSEPH, ERNEST
分类号
B61L3/10
主分类号
B61L3/10
代理机构
代理人
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