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发明名称
Hatch cover
摘要
申请公布号
US2184676(A)
申请公布日期
1939.12.26
申请号
US19370175185
申请日期
1937.11.18
申请人
MACKIN JAMES F
发明人
MACKIN JAMES F.
分类号
B63B19/18
主分类号
B63B19/18
代理机构
代理人
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