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发明名称
Car coupler
摘要
申请公布号
US2963174(A)
申请公布日期
1960.12.06
申请号
US19570671553
申请日期
1957.07.12
申请人
NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY
发明人
METZGER WILLIAM J.
分类号
B61G3/16;B61G7/06
主分类号
B61G3/16
代理机构
代理人
主权项
地址
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