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发明名称
DEFORMED CROSS-SECTION TUBE
摘要
申请公布号
JPH07314034(A)
申请公布日期
1995.12.05
申请号
JP19940117950
申请日期
1994.05.31
申请人
SHOWA ALUM CORP
发明人
MICHISAKA KOUZOU
分类号
B21C37/15;B21C37/18;(IPC1-7):B21C37/15
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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