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发明名称
Perfectionnements aux systèmes de roues dentées ou engrenages
摘要
申请公布号
FR686531(A)
申请公布日期
1930.07.28
申请号
FRD686531
申请日期
1929.12.05
申请人
发明人
POTTS JAMES
分类号
F16H3/38
主分类号
F16H3/38
代理机构
代理人
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