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经营范围
发明名称
THIN FILM TRANSISTOR
摘要
申请公布号
JPH03196639(A)
申请公布日期
1991.08.28
申请号
JP19890336949
申请日期
1989.12.26
申请人
RICOH CO LTD
发明人
IKEGUCHI HIROSHI
分类号
H01L23/52;H01L21/3205;H01L21/336;H01L29/78;H01L29/786
主分类号
H01L23/52
代理机构
代理人
主权项
地址
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