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发明名称
OPTICAL ELEMENT AND WORKING METHOD THEREOF
摘要
申请公布号
JPH04315561(A)
申请公布日期
1992.11.06
申请号
JP19910079639
申请日期
1991.04.12
申请人
CANON INC
发明人
HASHIMOTO KATSUYA;KATO MINORU;KAWAHARA NOBUMICHI
分类号
B24B7/24;G02B5/122
主分类号
B24B7/24
代理机构
代理人
主权项
地址
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