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经营范围
发明名称
Ventilated tire
摘要
申请公布号
US2540043(A)
申请公布日期
1951.01.30
申请号
US19480046909
申请日期
1948.08.30
申请人
LLOYD L. FELKER
发明人
CROOKER DAVID E.
分类号
B60C23/18
主分类号
B60C23/18
代理机构
代理人
主权项
地址
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