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发明名称
DEVICE TO INDICATE DIRECTION OF TRAVEL
摘要
申请公布号
GB8607143(D0)
申请公布日期
1986.04.30
申请号
GB19860007143
申请日期
1986.03.21
申请人
MCDONALD, R A C;MCDONALD, J M
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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