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发明名称
Operating means for trailer goosenecks
摘要
申请公布号
US2471277(A)
申请公布日期
1949.05.24
申请号
US19450611036
申请日期
1945.08.17
申请人
MARTIN WILLIAM E
发明人
MARTIN WILLIAM E.
分类号
B62D53/06
主分类号
B62D53/06
代理机构
代理人
主权项
地址
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