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经营范围
发明名称
An impulse transmitter
摘要
申请公布号
GB1020277(A)
申请公布日期
1966.02.16
申请号
GB19640042615
申请日期
1964.10.19
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
分类号
H04M1/34
主分类号
H04M1/34
代理机构
代理人
主权项
地址
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