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发明名称
Improvements in or relating to automatic telephone dial mechanisms
摘要
申请公布号
GB764759(A)
申请公布日期
1957.01.02
申请号
GB19550008641
申请日期
1955.03.24
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
分类号
H04M1/31
主分类号
H04M1/31
代理机构
代理人
主权项
地址
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