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经营范围
发明名称
UNDERWATER TOOL
摘要
申请公布号
GB8420622(D0)
申请公布日期
1984.09.19
申请号
GB19840020622
申请日期
1984.08.14
申请人
NORSK HYDRO AS
发明人
分类号
B63B21/60;B63C11/52
主分类号
B63B21/60
代理机构
代理人
主权项
地址
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