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发明名称
Grooved bearing
摘要
申请公布号
US1807166(A)
申请公布日期
1931.05.26
申请号
US19240745984
申请日期
1924.10.27
申请人
THE CLEVELAND GRAPHITE BRONZE COMPANY
发明人
MYERS JAMES L.
分类号
B21B1/22;B21H7/00;B21H7/18;B21H8/00;F16C33/10;F16C33/14
主分类号
B21B1/22
代理机构
代理人
主权项
地址
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