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发明名称
VISUAL SIGNALING APPARATUS FOR ELECTRONIC SWITCHING SYSTEM
摘要
申请公布号
CA772238(A)
申请公布日期
1967.11.21
申请号
CAD772238
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
THOMAS E. BROWNE;KARL GOLDSCHMIDT;OSCAR H. WILLIFORD
分类号
主分类号
代理机构
代理人
主权项
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