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发明名称
COLD FORMING METHOD OF TOOTHED RING-SHAPED ARTICLE
摘要
申请公布号
JPH07323346(A)
申请公布日期
1995.12.12
申请号
JP19940142278
申请日期
1994.05.31
申请人
NTN CORP
发明人
SHIMIZU OSAMU;SERA AKIRA;MATSUNAGA KOJI
分类号
B21K1/30;(IPC1-7):B21K1/30
主分类号
B21K1/30
代理机构
代理人
主权项
地址
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