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发明名称
Spring suspension for railroad car bodies
摘要
申请公布号
US2377883(A)
申请公布日期
1945.06.12
申请号
US19410374516
申请日期
1941.01.15
申请人
HICKMAN PNEUMATIC SEAT CO. INC.
发明人
HICKMAN ALBERT F.
分类号
B61F3/08
主分类号
B61F3/08
代理机构
代理人
主权项
地址
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