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发明名称
HOLLOW STRUCTURE AND ITS MANUFACTURE
摘要
申请公布号
JPH03427(A)
申请公布日期
1991.01.07
申请号
JP19890134628
申请日期
1989.05.30
申请人
TOSHIBA CORP
发明人
KOBASHIRI TOSHIO;SHIBUYA SUMIICHI
分类号
B21D51/16;B21D22/10
主分类号
B21D51/16
代理机构
代理人
主权项
地址
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