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发明名称
ANGULAR POSITION MEASURING DEVICE EMPLOYING OPTICAL MEASUREMENT OF CRITICAL ANGLE REFLECTION BETWEEN A REFERENCE POINT AND A ROTATING DATA POINT
摘要
申请公布号
US3458704(A)
申请公布日期
1969.07.29
申请号
USD3458704
申请日期
1967.08.03
申请人
U.S. PHILIPS CORP.
发明人
PIETER G. CATH
分类号
G01D5/30;G01N21/59;(IPC1-7):H01J39/12;H01J3/16;H01J5/16
主分类号
G01D5/30
代理机构
代理人
主权项
地址
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