Helicopter-with tracked-launch and tunaround pad-vehicle design principles

• 1. 具有链条张紧装置的履带式车辆、尤其工程机械、特别是道路工程机械以及用于运行具有链条张紧装置的履带式车辆的方法 [P] . 中国专利： CN111867924A . 2020-10-30
• 2. 履带式车辆的转向装置及具有该转向装置的履带式车辆 [P] . 中国专利： CN101716955B . 2011.11.02
• 3. Snowboard body designed with beam design principles to form a circular arc [P] . NZ505251A . 2003-05-30

  机译： 滑雪板主体采用梁设计原理设计成圆弧

• 4. Loudspeaker housing which, in contrast to the design of conventional housings, is designed according to the principles of harmonic theory in the construction of musical instruments [P] . AT402589B . 1997-06-25

  机译： 与常规外壳的设计相反，扬声器外壳是根据乐器制造中的谐波理论原理设计的

• 5. PRINCIPLES AND DESIGNS ACCORDING TO THE DEFENSE SYSTEM OF ROLLINDER SYSTEM [P] . KR20210059486A . 2021-05-25

  机译： 根据Rollinder系统防御系统的原理和设计

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• 3. Applying Elinor Ostrom’s Design Principles to Guide Co-Design in Health(care) Improvement: A Case Study with Citizens Returning to the Community from Jail in Los Angeles County [O] . Glenn Robert, Oli Williams, Bertil Lindenfalk, 2021
• 4. Clinical Trial Design Principles and Endpoint Definitions for Transcatheter Mitral Valve Repair and Replacement: Part 1: Clinical Trial Design Principles: A Consensus Document From the Mitral Valve Academic Research Consortium. [O] . Stone, Gregg W., Vahanian, Alec S., Adams, David H., 2015
• 5. Navy Command Control and Communications System Design Principles and Concepts. Volume I. C3Principles and Concepts. [R] . goodbody, r. l. monteleon, v. j. 1976