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发明名称
Mixed-base data transmission
摘要
申请公布号
US3000006(A)
申请公布日期
1961.09.12
申请号
US19570647424
申请日期
1957.03.20
申请人
MELPAR, INC.
发明人
WILLIAMS RICHARD E.
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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