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发明名称
Spring tire
摘要
申请公布号
US2912032(A)
申请公布日期
1959.11.10
申请号
US19570666930
申请日期
1957.06.20
申请人
ALEXANDER RAY H
发明人
ALEXANDER RAY H.
分类号
B60C7/14
主分类号
B60C7/14
代理机构
代理人
主权项
地址
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