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经营范围
发明名称
Life raft
摘要
申请公布号
US2413226(A)
申请公布日期
1946.12.24
申请号
US19440529976
申请日期
1944.04.07
申请人
MICHAEL HALLWARD
发明人
HALLWARD MICHAEL
分类号
B63C9/04
主分类号
B63C9/04
代理机构
代理人
主权项
地址
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