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发明名称
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摘要
申请公布号
JPS5655937(A)
申请公布日期
1981.05.16
申请号
JP19800141246
申请日期
1980.10.09
申请人
SONY CORP
发明人
ICHIGAYA KOUJI
分类号
G03B21/56;G03B21/10
主分类号
G03B21/56
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