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发明名称
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摘要
申请公布号
JPH0481737(A)
申请公布日期
1992.03.16
申请号
JP19900194717
申请日期
1990.07.25
申请人
UCHIYAMA TOMOKAZU
发明人
UCHIYAMA TOMOKAZU
分类号
G02B27/18;G03B21/00
主分类号
G02B27/18
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