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经营范围
发明名称
RAPID RETRACE YOKE DRIVER
摘要
申请公布号
US3529206(A)
申请公布日期
1970.09.15
申请号
USD3529206
申请日期
1968.03.01
申请人
AMPEX CORP.
发明人
DAVID R. RODAL
分类号
H01H35/40;H03F1/34;H03K4/69;H03K4/90;H03K6/02;(IPC1-7):H01J29/76
主分类号
H01H35/40
代理机构
代理人
主权项
地址
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