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经营范围
发明名称
Automatic trailer brake
摘要
申请公布号
US2253631(A)
申请公布日期
1941.08.26
申请号
US19410381526
申请日期
1941.03.03
申请人
LATTA LLOYD E
发明人
LATTA LLOYD E.
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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