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发明名称
Trailer hitch safety device
摘要
申请公布号
US3047839(A)
申请公布日期
1962.07.31
申请号
US19590856865
申请日期
1959.12.02
申请人
RAYMOND R. BROWN
发明人
BROWN RAYMOND R.;GOFF DONALD D.
分类号
B60D1/06
主分类号
B60D1/06
代理机构
代理人
主权项
地址
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