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发明名称
Fiber optic attenuator
摘要
申请公布号
USH491(H)
申请公布日期
1988.07.05
申请号
US19870115937
申请日期
1987.10.23
申请人
发明人
分类号
G02B6/26;G02B6/32;G02B6/42
主分类号
G02B6/26
代理机构
代理人
主权项
地址
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