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发明名称
cold forming method and apparatus
摘要
申请公布号
GB9715112(D0)
申请公布日期
1997.09.24
申请号
GB19970015112
申请日期
1994.03.29
申请人
NTN TOYO BEARING CO LTD
发明人
分类号
B21J5/12;B21K1/30;G01D5/20
主分类号
B21J5/12
代理机构
代理人
主权项
地址
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