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发明名称
METHOD AND APPARATUS FOR SIMULTANEOUSLY FORMING FOUR METAL ROUNDS
摘要
申请公布号
KR0137805(B1)
申请公布日期
1998.07.15
申请号
KR19940071491
申请日期
1994.05.04
申请人
STRUCTURAL METALS INC.
发明人
MATSUO, GIICHI;SAKAI, AKIRA;ELLEY, DAYTON;RAINS, JIMMY JERAL
分类号
B21B1/08;(IPC1-7):B21C45/00;B21B1/00
主分类号
B21B1/08
代理机构
代理人
主权项
地址
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