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经营范围
发明名称
DIFFERENTIAL AMPLIFIER
摘要
申请公布号
US3548333(A)
申请公布日期
1970.12.15
申请号
USD3548333
申请日期
1968.01.12
申请人
INTERN. BUSINESS MACHINES CORP.
发明人
ERNEST P. BAKKE;ALLEN BRYCE BENSON;RONALD J. BYMERS
分类号
H03F3/347;H03F3/45;(IPC1-7):H03F3/68;H03F3/34
主分类号
H03F3/347
代理机构
代理人
主权项
地址
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