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经营范围
发明名称
Method and apparatus for lubricating friction draft gear
摘要
申请公布号
US3348633(A)
申请公布日期
1967.10.24
申请号
US19640376633
申请日期
1964.06.22
申请人
W. H. MINER, INC.
发明人
ALLAN WILLIAM H.
分类号
B61G9/10;B61G9/20
主分类号
B61G9/10
代理机构
代理人
主权项
地址
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