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发明名称
SOFTWARE PROTECTION CIRCUIT
摘要
申请公布号
JPS5865470(A)
申请公布日期
1983.04.19
申请号
JP19810164528
申请日期
1981.10.15
申请人
NIPPON DENKI KK
发明人
ONTOU JIYOUJI
分类号
G06F11/00;G06F21/22;G09C1/00
主分类号
G06F11/00
代理机构
代理人
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