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发明名称
ETHODS FOR REPAIRING UNDERWATER PIPELINES
摘要
申请公布号
IE45192(B1)
申请公布日期
1982.07.14
申请号
IE19770000841
申请日期
1977.04.26
申请人
BOC LTD
发明人
分类号
B23K9/00;B23K9/028;F16L1/26;(IPC1-7):F16L1/04;B23K31/00;F16L55/18
主分类号
B23K9/00
代理机构
代理人
主权项
地址
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