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发明名称
Perfectionnements apportés aux jumelles des chenilles de tracteurs
摘要
申请公布号
FR1145567(A)
申请公布日期
1957.10.28
申请号
FRD1145567
申请日期
1956.03.08
申请人
ETABLISSEMENTS RICHARD FRERES
发明人
分类号
B62D55/20
主分类号
B62D55/20
代理机构
代理人
主权项
地址
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