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发明名称
EXTRUDING DIE FOR MATERIAL TO BE FORMED HAVING VERY SMALL HOLE
摘要
申请公布号
JPH0366409(A)
申请公布日期
1991.03.22
申请号
JP19890202112
申请日期
1989.08.03
申请人
SHOWA ALUM CORP
发明人
SUGIO EIJI;TANIGAWA MASAKAZU
分类号
B21C25/02
主分类号
B21C25/02
代理机构
代理人
主权项
地址
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