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发明名称
Perfectionnements aux draisines
摘要
申请公布号
FR674058(A)
申请公布日期
1930.01.23
申请号
FRD674058
申请日期
1929.04.26
申请人
发明人
CLAVEAU EMILE
分类号
B61D15/00
主分类号
B61D15/00
代理机构
代理人
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