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发明名称
Automotive trailer coupling
摘要
申请公布号
US2168058(A)
申请公布日期
1939.08.01
申请号
US19370151079
申请日期
1937.06.30
申请人
NATHAN POSNER
发明人
BROWNE JOSEPH C.
分类号
B60T7/20
主分类号
B60T7/20
代理机构
代理人
主权项
地址
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