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发明名称
Friction shock absorber for railway car truck springs
摘要
申请公布号
US2559731(A)
申请公布日期
1951.07.10
申请号
US19480039413
申请日期
1948.07.19
申请人
W. H. MINER, INC.
发明人
OLANDER ROLAND J.
分类号
B61F5/12;F16F3/06
主分类号
B61F5/12
代理机构
代理人
主权项
地址
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