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发明名称
Perfectionnements aux balises routières réfléchissantes
摘要
申请公布号
FR1542245(A)
申请公布日期
1968.10.11
申请号
FR19670126858
申请日期
1967.11.03
申请人
PILKINGTON BROTHERS LIMITED
发明人
分类号
E01F9/06;E01F9/07
主分类号
E01F9/06
代理机构
代理人
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