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经营范围
发明名称
Life preserving suit
摘要
申请公布号
US2383261(A)
申请公布日期
1945.08.21
申请号
US19420445292
申请日期
1942.06.01
申请人
SEMEN KRONHAUS
发明人
KRONHAUS SEMEN
分类号
B63C9/093
主分类号
B63C9/093
代理机构
代理人
主权项
地址
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