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发明名称
MANUFACTURE OF WELDED TUBE SMALL IN DIAMETER
摘要
申请公布号
JPH0318422(A)
申请公布日期
1991.01.28
申请号
JP19890149986
申请日期
1989.06.13
申请人
SUMITOMO LIGHT METAL IND LTD
发明人
NOSETANI KIYOSHI;NANBA KEIZO
分类号
B21C37/08
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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