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发明名称
Improvements in and relating to submarine salvaging and life saving devices
摘要
申请公布号
GB347295(A)
申请公布日期
1931.04.30
申请号
GB19290027104
申请日期
1930.03.10
申请人
WALTER HENRY JARMAN
发明人
分类号
B63G8/41
主分类号
B63G8/41
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代理人
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