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发明名称
TRAFFIC SAFETY SIGNALLING SYSTEM
摘要
申请公布号
CA840603(A)
申请公布日期
1970.04.28
申请号
CAD840603
申请日期
申请人
HELEN C. BARBIE;JOHN N. BARBIE
发明人
HELEN C. BARBIE;JOHN N. BARBIE
分类号
主分类号
代理机构
代理人
主权项
地址
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