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经营范围
发明名称
A ship with a Stern Ring
摘要
申请公布号
GB2073690(A)
申请公布日期
1981.10.21
申请号
GB19800022267
申请日期
1980.07.08
申请人
HITACHI SHIPBUILDING & ENG CO LTD
发明人
分类号
B63H5/16;(IPC1-7):B63H5/16
主分类号
B63H5/16
代理机构
代理人
主权项
地址
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