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发明名称
Modulation system
摘要
申请公布号
US2830272(A)
申请公布日期
1958.04.08
申请号
US19540423918
申请日期
1954.04.19
申请人
TEXTRON INC.
发明人
JOHNSON ROBERT R.;WALTERS GLENN A.
分类号
G05F1/52;H03C1/16
主分类号
G05F1/52
代理机构
代理人
主权项
地址
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