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经营范围
发明名称
Improvements in hatches, draining boards and the like
摘要
申请公布号
GB565171(A)
申请公布日期
1944.10.30
申请号
GB19430013193
申请日期
1943.08.13
申请人
GUSTAF KAEHR
发明人
分类号
B63B19/16
主分类号
B63B19/16
代理机构
代理人
主权项
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