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发明名称
BALL-&-ROLLER BEARING
摘要
申请公布号
GB8818360(D0)
申请公布日期
1988.09.07
申请号
GB19880018360
申请日期
1988.08.02
申请人
NIPPON SEIKO KK
发明人
分类号
C21D1/78;C23C8/22;C23C8/32;F16C33/30;F16C33/44;F16C33/56;F16C33/62;F16C33/64
主分类号
C21D1/78
代理机构
代理人
主权项
地址
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