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发明名称
摘要
申请公布号
JPS6131846(B2)
申请公布日期
1986.07.23
申请号
JP19790147522
申请日期
1979.11.14
申请人
CANON KK
发明人
YAMADA YASUYUKI
分类号
G02B9/34;G02B9/40
主分类号
G02B9/34
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