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发明名称
摘要
申请公布号
FR2081616(B1)
申请公布日期
1975.02.21
申请号
FR19710006884
申请日期
1971.03.01
申请人
SUWA SEIKOSHA KK,JA
发明人
分类号
G04C9/08;G04G3/00;G04G3/02;G04G5/00;G04G5/02
主分类号
G04C9/08
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