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发明名称
Lubricating of axle bearings for rail vehicles
摘要
申请公布号
US1941946(A)
申请公布日期
1934.01.02
申请号
US19310555304
申请日期
1931.08.05
申请人
WALTER PEYINGHAUS
发明人
LEHMANN WALTER
分类号
B61F17/20
主分类号
B61F17/20
代理机构
代理人
主权项
地址
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