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经营范围
发明名称
VISUAL DISTRESS SIGNALING SYSTEM
摘要
申请公布号
US3493924(A)
申请公布日期
1970.02.03
申请号
USD3493924
申请日期
1966.02.17
申请人
HUGH L. DOBBINS
发明人
HUGH L. DOBBINS
分类号
B60Q1/46;G08B5/38;(IPC1-7):B60Q1/00;E01F9/00
主分类号
B60Q1/46
代理机构
代理人
主权项
地址
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