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发明名称
SEMICONDUCTOR DEVICE
摘要
申请公布号
JPH05304426(A)
申请公布日期
1993.11.16
申请号
JP19910164542
申请日期
1991.07.04
申请人
RICOH CO LTD
发明人
NAKA TSUYOSHI
分类号
H03F3/30;H03F3/45;(IPC1-7):H03F3/45
主分类号
H03F3/30
代理机构
代理人
主权项
地址
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