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经营范围
发明名称
Tractor hitch
摘要
申请公布号
US2442439(A)
申请公布日期
1948.06.01
申请号
US19460671921
申请日期
1946.05.24
申请人
ALBERT SCHULTZ
发明人
SCHULTZ ALBERT
分类号
B60D1/02
主分类号
B60D1/02
代理机构
代理人
主权项
地址
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