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发明名称
BUTTING TWO TUBULAR ELEMENTS TO BE WELDED
摘要
申请公布号
GB8524262(D0)
申请公布日期
1985.11.06
申请号
GB19850024262
申请日期
1985.10.02
申请人
ALSTHOM
发明人
分类号
B23K15/00;B23K15/04;B23K15/06;B23K37/053;(IPC1-7):B23K37/04
主分类号
B23K15/00
代理机构
代理人
主权项
地址
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