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发明名称
Redundant fail-proof amplifier and alarm
摘要
申请公布号
US2824296(A)
申请公布日期
1958.02.18
申请号
US19550535459
申请日期
1955.09.20
申请人
SPERRY RAND CORPORATION
发明人
HECHT HERBERT;POTTLE CHRISTOPHER
分类号
H03F1/54;H03F3/32
主分类号
H03F1/54
代理机构
代理人
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