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发明名称
Continuous annealing furnace, rolling bearing, annealing metho, and method of manufacturing inner and outer races of deeply groove ball bearing
摘要
申请公布号
GB9920253(D0)
申请公布日期
1999.10.27
申请号
GB19990020253
申请日期
1998.12.25
申请人
NSK LTD
发明人
分类号
B21H1/12;B21K1/04;B23P15/00;C21D1/32;C21D1/74;C21D3/04;C21D9/00;C21D9/40;C23C8/22;F16C33/62;F16C33/64
主分类号
B21H1/12
代理机构
代理人
主权项
地址
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