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经营范围
发明名称
Digital readout device
摘要
申请公布号
US2886677(A)
申请公布日期
1959.05.12
申请号
US19550546140
申请日期
1955.11.10
申请人
BOURNS MARLAN E
发明人
BOURNS MARLAN 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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