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1.Device for quadratically converting a linear displacement into an electrical quantity 失效
Title translation: 用于将线性位移二次转换为电量的装置公开(公告)号:US3321699A
公开(公告)日:1967-05-23
申请号:US39657164
申请日:1964-09-15
Applicant: LAB VOOR INSTR DALAWELL N V
Inventor: RADEMAKERS PETRUS J