A method for measuring parameters of internal and external screw thread, and similar grooves with the aid of wigtasters.

• 1. 一种基于轮廓的石油管外螺纹参数测量定位方法 [P] . 中国专利： CN109781024B . 2021.04.30
• 2. 一种基于轮廓的石油管外螺纹参数测量定位方法 [P] . 中国专利： CN109781024A . 2019-05-21
• 3. Measurement of geometric parameters of internal and external screw thread and similar grooves [P] . 美国专利： US2003101602A1 . 2003-06-05

  机译： 测量内螺纹和外螺纹以及类似凹槽的几何参数

• 4. MEASUREMENT OF GEOMETRIC PARAMETERS OF INTERNAL AND EXTERNAL SCREW THREAD AND SIMILAR GROOVES [P] . 欧洲知识产权局专利： EP1250563A1 . 2002-10-23

  机译： 内，外螺纹螺纹和类似沟槽的几何参数的测量

• 5. Measurement of geometric parameters of internal and external screw thread and similar grooves [P] . AU3248201A . 2001-07-24

  机译： 测量内螺纹和外螺纹以及类似凹槽的几何参数

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