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发明名称
INDICATING SYSTEM
摘要
申请公布号
CA506618(A)
申请公布日期
1954.10.19
申请号
CAD506618
申请日期
申请人
GENERAL ELECTRIC COMPANY
发明人
LAWRENCE R. FOOTE;WILLIAM L. O. GRAVES
分类号
主分类号
代理机构
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