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发明名称
BUTT-WELDING EQUIPMENT
摘要
申请公布号
GB1487509(A)
申请公布日期
1977.10.05
申请号
GB19750053350
申请日期
1975.12.31
申请人
NIPPON KOKAN KK;ISHIKAWAJIMA HARIMA JUKOGYO KK
发明人
分类号
B23K11/04;B23K9/025;B23K11/087;(IPC1-7):B21B39/00
主分类号
B23K11/04
代理机构
代理人
主权项
地址
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