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发明名称
SELECTIVE SIGNALING SYSTEMS
摘要
申请公布号
CA694876(A)
申请公布日期
1964.09.22
申请号
CAD694876
申请日期
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
EDMUND F. KLEIN;ROBERT O. GUNDERSON
分类号
主分类号
代理机构
代理人
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