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发明名称
Analogue-to-digital encoding system
摘要
申请公布号
US2993201(A)
申请公布日期
1961.07.18
申请号
US19520277890
申请日期
1952.03.21
申请人
ROPPEL RICHARD M
发明人
ROPPEL RICHARD M.
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
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地址
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