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发明名称
Signal apparatus
摘要
申请公布号
US2888669(A)
申请公布日期
1959.05.26
申请号
US19550485396
申请日期
1955.02.01
申请人
THOMAS GLENN M;THOMAS GRANT L
发明人
THOMAS GLENN M.;THOMAS GRANT L.
分类号
G08B7/06
主分类号
G08B7/06
代理机构
代理人
主权项
地址
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