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经营范围
发明名称
REFLEXIONS-OVERHEADPROJEKTOR
摘要
申请公布号
DE3446822(A1)
申请公布日期
1985.07.11
申请号
DE19843446822
申请日期
1984.12.21
申请人
KABUSHIKI KAISHA GAKUSHU KENKYUSHA
发明人
NUMATA,KUNIO;TOHATA,SUSUMU
分类号
G03B21/132;G03B21/30;(IPC1-7):G03B21/132
主分类号
G03B21/132
代理机构
代理人
主权项
地址
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