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经营范围
发明名称
Auxiliary wheel
摘要
申请公布号
US2863703(A)
申请公布日期
1958.12.09
申请号
US19570675327
申请日期
1957.07.31
申请人
NULL CLEMENT R
发明人
NULL CLEMENT R.
分类号
B60B11/10
主分类号
B60B11/10
代理机构
代理人
主权项
地址
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