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发明名称
Recording and auditing system
摘要
申请公布号
US2339803(A)
申请公布日期
1944.01.25
申请号
US19410372717
申请日期
1941.01.02
申请人
TELETYPE CORPORATION
发明人
POTTS LOUIS M.
分类号
H04M15/38
主分类号
H04M15/38
代理机构
代理人
主权项
地址
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