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经营范围
发明名称
FRESNEL LENS FOR SCREEN
摘要
申请公布号
JPS6197602(A)
申请公布日期
1986.05.16
申请号
JP19840218114
申请日期
1984.10.17
申请人
MITSUBISHI RAYON CO LTD
发明人
OKADA MIZUO
分类号
G02B3/08;G03B21/62
主分类号
G02B3/08
代理机构
代理人
主权项
地址
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