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发明名称
Guardrail assembly for railroad track equipment
摘要
申请公布号
US2470662(A)
申请公布日期
1949.05.17
申请号
US19440539074
申请日期
1944.06.07
申请人
AMERICAN BRAKE SHOE COMPANY
发明人
SPENCER LEE
分类号
E01B5/18
主分类号
E01B5/18
代理机构
代理人
主权项
地址
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