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经营范围
发明名称
Barrier for vehicular traffic
摘要
申请公布号
US2127690(A)
申请公布日期
1938.08.23
申请号
US19370144815
申请日期
1937.05.26
申请人
JONES ADRIAN S
发明人
JONES ADRIAN S.
分类号
A63G31/00
主分类号
A63G31/00
代理机构
代理人
主权项
地址
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