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发明名称
Nulling optical bridge for contactless measurement of changes in reflectivity and/or transmissivity
摘要
申请公布号
US5022765(A)
申请公布日期
1991.06.11
申请号
US19870112803
申请日期
1987.10.23
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
GUIDOTTI, DANIEL;TAN, SWIE-IN;WILMAN, JOHN G.
分类号
G01J1/04;G01J1/16;G01J1/24;G01N21/35;G01N21/55;G01N21/59
主分类号
G01J1/04
代理机构
代理人
主权项
地址
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