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发明名称
SIGNAL
摘要
申请公布号
CA911954(A)
申请公布日期
1972.10.10
申请号
CAD911954
申请日期
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
GUNNAR R. LJUNGKULL
分类号
G08G1/095;(IPC1-7):G08G1/095
主分类号
G08G1/095
代理机构
代理人
主权项
地址
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