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发明名称
Signal for water skier
摘要
申请公布号
US3021513(A)
申请公布日期
1962.02.13
申请号
US19590789412
申请日期
1959.01.27
申请人
LANKEY RAYMOND D
发明人
LANKEY RAYMOND D.
分类号
G08B21/02
主分类号
G08B21/02
代理机构
代理人
主权项
地址
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