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发明名称
Car truck side frame
摘要
申请公布号
US2065453(A)
申请公布日期
1936.12.22
申请号
US19350034450
申请日期
1935.08.02
申请人
RAILROAD RESEARCH BUREAU OF THE SUBSIDIARY MANUFACTURING COMPANIES OF THE UNITED STATES STEEL CORPORATION
发明人
HAMMERSTROM KARL R.
分类号
B61F5/52
主分类号
B61F5/52
代理机构
代理人
主权项
地址
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