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发明名称
Moyeu de frein à contre-pédalage
摘要
申请公布号
FR971668(A)
申请公布日期
1951.01.19
申请号
FRD971668
申请日期
1948.09.15
申请人
发明人
PETERSEN ROBERT MARIUS
分类号
B62L5/14
主分类号
B62L5/14
代理机构
代理人
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