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发明名称
Improvements in or relating to traction-increasing device for a vehicle wheel
摘要
申请公布号
GB629135(A)
申请公布日期
1949.09.13
申请号
GB19470014052
申请日期
1947.05.27
申请人
ADOLPH KARL STEVENS
发明人
分类号
B60C27/04
主分类号
B60C27/04
代理机构
代理人
主权项
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