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发明名称
Removable and replaceable traffic marker
摘要
申请公布号
US2259610(A)
申请公布日期
1941.10.21
申请号
US19400316675
申请日期
1940.01.31
申请人
LELAND S. DOUGAN
发明人
BRYSON WILL H.
分类号
E01F9/013
主分类号
E01F9/013
代理机构
代理人
主权项
地址
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