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发明名称
MANUFACTURING DIE FOR FORGED PART WITH ULTRATHIN FIN AND MANUFACTURE OF FORGED PART USING SUCH DIE
摘要
申请公布号
JPH0270350(A)
申请公布日期
1990.03.09
申请号
JP19880219286
申请日期
1988.09.01
申请人
GUNMA SEIKO KK;SHOWA ALUM CORP
发明人
MARUMO TAKAKAZU;SHIODA SHUNTA
分类号
B21J5/02;B21K3/04
主分类号
B21J5/02
代理机构
代理人
主权项
地址
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