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发明名称
MANUFACTURING METHOD FOR HIGH PRECISION HELICAL GEAR BY COLD EXTRUDING ALLOYED STEEL
摘要
申请公布号
KR100207441(B1)
申请公布日期
1999.07.15
申请号
KR19960035515
申请日期
1996.08.26
申请人
CHOE, JAE- CHAN;JO, HAE-YONG;KWON, HYUK-HONG
发明人
CHOE, JAE-CHAN;JO, HAE-YONG;KWON, HYUK-HONG
分类号
B21C23/00;(IPC1-7):B21C23/00
主分类号
B21C23/00
代理机构
代理人
主权项
地址
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