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经营范围
发明名称
Hatch cover arrangement
摘要
申请公布号
US3050026(A)
申请公布日期
1962.08.21
申请号
US19570661797
申请日期
1957.05.27
申请人
LIGH DAVID R
发明人
LIGH DAVID R.
分类号
B63B19/197
主分类号
B63B19/197
代理机构
代理人
主权项
地址
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