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发明名称
Traffic-signal reflector
摘要
申请公布号
US1786958(A)
申请公布日期
1930.12.30
申请号
US19270198072
申请日期
1927.06.11
申请人
AMERICAN GASACCUMULATOR COMPANY
发明人
OESTNAES VICTOR L.
分类号
G02B5/124
主分类号
G02B5/124
代理机构
代理人
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