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发明名称
Integral motor-tachometer system
摘要
申请公布号
US3231807(A)
申请公布日期
1966.01.25
申请号
US19620245582
申请日期
1962.12.18
申请人
AMPEX CORPORATION
发明人
WILLIS JACK K.
分类号
G01P3/36;G01P3/486;G11B15/54;H02K23/66;H02P23/00
主分类号
G01P3/36
代理机构
代理人
主权项
地址
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