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经营范围
发明名称
Dial pulse detector
摘要
申请公布号
US3219762(A)
申请公布日期
1965.11.23
申请号
US19620209335
申请日期
1962.07.12
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
ABBOTT HENRY H.
分类号
H04Q1/32
主分类号
H04Q1/32
代理机构
代理人
主权项
地址
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