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发明名称
Highway marker
摘要
申请公布号
US2015721(A)
申请公布日期
1935.10.01
申请号
US19330693635
申请日期
1933.10.14
申请人
THE DAYNITE HIGHWAY MARKER CO.
发明人
MILLER JAMES M.
分类号
G09F13/16
主分类号
G09F13/16
代理机构
代理人
主权项
地址
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