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发明名称
Polarization independent optical device
摘要
申请公布号
EP0488211(B1)
申请公布日期
1998.02.04
申请号
EP19910120270
申请日期
1991.11.27
申请人
FUJITSU LIMITED
发明人
NAGANUMA, NORIHISA
分类号
G02B1/10;G02B5/30;G02B6/26;G02B27/28;(IPC1-7):G02B27/28;G02B6/34
主分类号
G02B1/10
代理机构
代理人
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地址
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