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发明名称
摘要
申请公布号
JPH0364955(B2)
申请公布日期
1991.10.09
申请号
JP19810111429
申请日期
1981.07.16
申请人
发明人
分类号
G09B15/00;G10F1/00;G10G1/00;G10H1/00;G11B31/00;G11B31/02
主分类号
G09B15/00
代理机构
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