发明名称 |
LENS FOR OPTICAL DISC |
摘要 |
|
申请公布号 |
JPS6227711(A) |
申请公布日期 |
1987.02.05 |
申请号 |
JP19850167092 |
申请日期 |
1985.07.27 |
申请人 |
ASAHI OPTICAL CO LTD |
发明人 |
MARUYAMA KOICHI |
分类号 |
G02B13/00;G02B13/18 |
主分类号 |
G02B13/00 |
代理机构 |
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代理人 |
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主权项 |
|
地址 |
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