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发明名称
Warning device for vehicles
摘要
申请公布号
US2657379(A)
申请公布日期
1953.10.27
申请号
US19520270679
申请日期
1952.02.08
申请人
ZAPPIA JOSEPH P
发明人
ZAPPIA JOSEPH P.
分类号
F21L14/00;F21S8/10;F21V21/00
主分类号
F21L14/00
代理机构
代理人
主权项
地址
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