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经营范围
发明名称
Dual wheel assembly
摘要
申请公布号
US2242049(A)
申请公布日期
1941.05.13
申请号
US19390275438
申请日期
1939.05.24
申请人
ASH CHARLES S
发明人
ASH CHARLES S.
分类号
B60B11/02;F16D55/06
主分类号
B60B11/02
代理机构
代理人
主权项
地址
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