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发明名称
Método e disposito para soldagem alumínotérmica a grandes profundidades de água
摘要
申请公布号
BR9708526(A)
申请公布日期
1999.08.03
申请号
BR1997PI08526
申请日期
1997.04.08
申请人
HAGEN NILS
发明人
NILS HAGEN
分类号
B23K23/00;F16L37/00;(IPC1-7):B23K23/00;F16L1/26
主分类号
B23K23/00
代理机构
代理人
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