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发明名称
RETROREFLECTORS
摘要
申请公布号
GB1594126(A)
申请公布日期
1981.07.30
申请号
GB19770042003
申请日期
1977.10.10
申请人
FERRO CORP
发明人
分类号
E01F9/06;G02B5/124;(IPC1-7):02B5/124;01F9/06
主分类号
E01F9/06
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