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发明名称
ROZUKEHANIKAMUPANERUNOSEIZOHOHO
摘要
申请公布号
JPH0228422(B2)
申请公布日期
1990.06.25
申请号
JP19870199650
申请日期
1987.08.10
申请人
SUMITOMO LIGHT METAL IND
发明人
NANBA KEIZO;ITO YASUNAGA;SANO KEIJI
分类号
B21D47/00;B23K1/00
主分类号
B21D47/00
代理机构
代理人
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