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发明名称
NOISE CANCELLING CIRCUITRY FOR OPTICAL SYSTEMS
摘要
申请公布号
EP0480182(A3)
申请公布日期
1992.05.20
申请号
EP19910115233
申请日期
1991.09.10
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HOBBS, PHILIP CHARLES DANBY
分类号
G01J1/42;G01J1/16;G01J1/44;G01N21/31;G01S7/48;G01S7/491;H01S3/00;H01S3/13;(IPC1-7):G01J5/30
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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