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经营范围
发明名称
Improvements in or relating to hatch covers and the like
摘要
申请公布号
GB440524(A)
申请公布日期
1936.01.01
申请号
GB19350000193
申请日期
1935.01.03
申请人
WILLIAM JAMES HEPPELL
发明人
分类号
B63B19/14
主分类号
B63B19/14
代理机构
代理人
主权项
地址
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