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经营范围
发明名称
Improvements in life-jackets, life-preserver suits and the like
摘要
申请公布号
GB625289(A)
申请公布日期
1949.06.24
申请号
GB19460030785
申请日期
1946.10.16
申请人
FINN TVETEN
发明人
分类号
B63C9/115
主分类号
B63C9/115
代理机构
代理人
主权项
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