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发明名称
Signalling system for substation apparatus
摘要
申请公布号
US3164680(A)
申请公布日期
1965.01.05
申请号
US19610116550
申请日期
1961.06.12
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
ADELAAR HANS HELMUT;CLEMENS FRANS;SMEDT RENE DE
分类号
H04M1/50;H04M19/04;H04Q1/446;H04Q1/453
主分类号
H04M1/50
代理机构
代理人
主权项
地址
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