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发明名称
MAKING OF METAL EXTRUDED PRODUCT WITH OPENINGS
摘要
申请公布号
JPH10305330(A)
申请公布日期
1998.11.17
申请号
JP19970116730
申请日期
1997.05.07
申请人
SHOWA ALUM CORP
发明人
SUGIO EIJI
分类号
E04C3/32;B21D31/04;(IPC1-7):B21D31/04
主分类号
E04C3/32
代理机构
代理人
主权项
地址
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