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发明名称
Optical traffic signal viewer
摘要
申请公布号
US2681589(A)
申请公布日期
1954.06.22
申请号
US19500168228
申请日期
1950.06.15
申请人
GENERAL MOTORS CORPORATION
发明人
JR. GROVE S. DOW,;SLONE HOWARD I.
分类号
B60R1/00;G02B3/04
主分类号
B60R1/00
代理机构
代理人
主权项
地址
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