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发明名称
摘要
申请公布号
JPH0690424(B2)
申请公布日期
1994.11.14
申请号
JP19860249084
申请日期
1986.10.20
申请人
发明人
分类号
G03B42/04;(IPC1-7):G03B42/04
主分类号
G03B42/04
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