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发明名称
FRICTION DAMPENED RAILWAY TRUCK BOLSTER
摘要
申请公布号
US3450063(A)
申请公布日期
1969.06.17
申请号
USD3450063
申请日期
1967.04.27
申请人
MIDLAND ROSS CORP.
发明人
JAMES A. SHAFER
分类号
B61F5/12;(IPC1-7):B61F5/04
主分类号
B61F5/12
代理机构
代理人
主权项
地址
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