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发明名称
Digital actuator and direct digital transducer employing same
摘要
申请公布号
US3153229(A)
申请公布日期
1964.10.13
申请号
US19630279921
申请日期
1963.05.13
申请人
ROBERTS CHARLES E
发明人
ROBERTS CHARLES E.
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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