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发明名称
Railway truck
摘要
申请公布号
US2609757(A)
申请公布日期
1952.09.09
申请号
US19470739605
申请日期
1947.04.05
申请人
GENERAL MOTORS CORPORATION
发明人
BLOMBERG MARTIN P.
分类号
B61F5/08;B61F5/12
主分类号
B61F5/08
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代理人
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