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发明名称
Spring suspension for car trucks
摘要
申请公布号
US2300341(A)
申请公布日期
1942.10.27
申请号
US19410413586
申请日期
1941.10.04
申请人
THE PENNSYLVANIA RAILROAD COMPANY
发明人
CHAMBERS ISAAC M.
分类号
B61F5/14
主分类号
B61F5/14
代理机构
代理人
主权项
地址
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