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发明名称
Method of forming roller bearing cups
摘要
申请公布号
US2009644(A)
申请公布日期
1935.07.30
申请号
US19330653871
申请日期
1933.01.27
申请人
BOWER ROLLER BEARING CO.
发明人
ZIMMERMAN THOMAS;SCHRIEBER ALBERT
分类号
B21K1/04
主分类号
B21K1/04
代理机构
代理人
主权项
地址
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