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发明名称
Traction attachment
摘要
申请公布号
US2130448(A)
申请公布日期
1938.09.20
申请号
US19370169302
申请日期
1937.10.15
申请人
FRANK SIGNORI
发明人
SIGNORI FRANK
分类号
B60B15/26
主分类号
B60B15/26
代理机构
代理人
主权项
地址
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