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发明名称
Cushioning device for railroad cars
摘要
申请公布号
US2789811(A)
申请公布日期
1957.04.23
申请号
US19530368257
申请日期
1953.07.16
申请人
CARDWELL WESTINGHOUSE COMPANY
发明人
CAMPBELL DAVID S.
分类号
B61F5/12
主分类号
B61F5/12
代理机构
代理人
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地址
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