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发明名称
Trailer hitch coupling
摘要
申请公布号
US2039689(A)
申请公布日期
1936.05.05
申请号
US19340758665
申请日期
1934.12.21
申请人
TADE LEROY A
发明人
TADE LEROY A.
分类号
B60D1/07
主分类号
B60D1/07
代理机构
代理人
主权项
地址
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