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发明名称
IMPROVEMENTS IN OR RELATING TO UNDERWATER WELDING
摘要
申请公布号
GB1241466(A)
申请公布日期
1971.08.04
申请号
GB19680041506
申请日期
1968.08.30
申请人
OCEAN SYSTEMS, INC.
发明人
分类号
B23K9/00;B63C11/44;F16L1/26
主分类号
B23K9/00
代理机构
代理人
主权项
地址
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