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发明名称
Twin barrel friction draft gear
摘要
申请公布号
US2925924(A)
申请公布日期
1960.02.23
申请号
US19560603688
申请日期
1956.08.13
申请人
AMERICAN STEEL FOUNDRIES
发明人
MORLEY CLIFFORD D.
分类号
B61G9/10
主分类号
B61G9/10
代理机构
代理人
主权项
地址
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