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经营范围
发明名称
Life preserver
摘要
申请公布号
US2550562(A)
申请公布日期
1951.04.24
申请号
US19480006406
申请日期
1948.02.05
申请人
UNITED STATES RUBBER COMPANY
发明人
HURT VICTOR H.;SWEET HELEN T.
分类号
B63C9/125
主分类号
B63C9/125
代理机构
代理人
主权项
地址
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