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发明名称
Reverse travel signalling device for automobiles
摘要
申请公布号
US2802441(A)
申请公布日期
1957.08.13
申请号
US19550495899
申请日期
1955.03.22
申请人
HERMAN EPSTEIN;PRATT JAMES R
发明人
EPSTEIN HERMAN;PRATT JAMES R.
分类号
G10K1/07
主分类号
G10K1/07
代理机构
代理人
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地址
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