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发明名称
Counting device
摘要
申请公布号
US2292489(A)
申请公布日期
1942.08.11
申请号
US19410420536
申请日期
1941.11.26
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
STIBITZ GEORGE R.
分类号
G06M1/10
主分类号
G06M1/10
代理机构
代理人
主权项
地址
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