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发明名称
Impulsgeber, insbesondere fuer Fernsprechvermittlungsanlagen
摘要
申请公布号
DE960733(C)
申请公布日期
1957.03.28
申请号
DE1953A019255
申请日期
1953.12.02
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
FAULKNER ALFRED HUGHES
分类号
H04M1/272
主分类号
H04M1/272
代理机构
代理人
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