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发明名称
Hatch cover and locking and sealing means therefor
摘要
申请公布号
US2551750(A)
申请公布日期
1951.05.08
申请号
US19490109512
申请日期
1949.08.10
申请人
LISKEY JR ERNEST C
发明人
JR. ERNEST C. LISKEY,
分类号
B63B19/26
主分类号
B63B19/26
代理机构
代理人
主权项
地址
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