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经营范围
发明名称
STAIRCASE WAVEFORM GENERATOR
摘要
申请公布号
US3628055(A)
申请公布日期
1971.12.14
申请号
USD3628055
申请日期
1969.12.18
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
JACKSON LUM
分类号
H03K4/02;H03K4/84;(IPC1-7):H03K4/02
主分类号
H03K4/02
代理机构
代理人
主权项
地址
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