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经营范围
发明名称
Trailer brake
摘要
申请公布号
US2209489(A)
申请公布日期
1940.07.30
申请号
US19380248312
申请日期
1938.12.29
申请人
HARRY C. SILVERMAN
发明人
BIEBER JOHN
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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