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发明名称
DIGITAL ACCUMULATOR AND CODER
摘要
申请公布号
GB1494281(A)
申请公布日期
1977.12.07
申请号
GB19750015320
申请日期
1975.04.14
申请人
WESTERN ELECTRIC CO INC
发明人
分类号
H03M3/02;H03M3/04;H04B14/06;(IPC1-7):H03K13/22;H03K25/00
主分类号
H03M3/02
代理机构
代理人
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地址
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