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发明名称
Method and device for thermite welding at large water depths
摘要
申请公布号
AU2523397(A)
申请公布日期
1997.10.29
申请号
AU19970025233
申请日期
1997.04.08
申请人
NILS CHR. HAGEN
发明人
NILS CHR. HAGEN
分类号
B23K23/00;F16L37/00
主分类号
B23K23/00
代理机构
代理人
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