pillow from bed formed in a single piece of the width of the double mattress, a square, or a square

• 1. 包括一个支撑框架和覆盖元件的正方形或长方形道路养护装置 [P] . 中国专利： CN1179103C . 2004.12.08
• 2. 包括一个支撑框架和覆盖元件的正方形或长方形道路养护装置 [P] . 中国专利： CN1243560A . 2000-02-02
• 3. Coil i.e. drive coil, for magnetizing permanent magnet, has slots and/or recesses provided in single-piece coil body, and conductor sections forming single piece conductor, where cross-sections of conductor sections are square-shaped [P] . 德国专利： DE102009011410A1 . 2010-09-09

  机译： 用于使永磁体磁化的线圈，即驱动线圈，具有在单件式线圈体中提供的槽和/或凹部，以及形成单件式导体的导体部分，其中导体部分的横截面为正方形。

• 4. structure for a sofa bed, a bed trasformabile square double. [P] . IT8322955V0 . 1983-09-09

  机译： 沙发床结构，可变形方形双人床。

• 5. METHOD AND DEVICE FOR FORMING A DOUBLE-LOOP KNOT, A SINGLE-LOOP KNOT OR A SQUARE KNOT FROM A STRING OR THE LIKE [P] . 欧洲知识产权局专利： EP1430174A1 . 2004-06-23

  机译： 从弦乐或类似乐曲形成双圈结，单圈结或方结的方法和装置

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• 5. Single Crystal Investigations Unravel the Magnetic Anisotropy of the “Square-In Square” Cr4Dy4 SMM Coordination Cluster [O] . Mauro Perfetti, Julia Rinck, Giuseppe Cucinotta, 1970
• 6. Roots of square: Cryptanalysis of double-layer square and square [O] . Enrico Thomae, Christopher Wolf 2011
• 7. Stress Distribution Around a Circular Hole in Square Plates, Loaded Uniformly in the Plane, on Two Opposite Sides of the Square. Optimum Shapes of Central Holes in Square Plates Subjected to UniaxialUniform Load. Optimization of H [R] . Erickson, M., Durelli, A. J., Rajaiah, K. 1981

• 1. NC INCREMENTAL SHEET METAL FORMING PROCESS AND VERTICAL WALL SQUARE BOX FORMING [J] . Zhou Liuru ,Mo Jianhua ,Xiao Xiangzhi . 中国机械工程学报 . 2004,第003期
• 2. Numerical Solution of Mean-Square Approximation Problem of Real Nonnegative Function by the Modulus of Double Fourier Integral [J] . Petro Savenko ,Myroslava Tkach . 应用数学（英文） . 2011,第9期
• 3. Some interesting properties of double hexagonal magic square [J] . 王晓玲 . 辽宁师范大学学报：自然科学版 . 2008,第2期
• 4. 三星在华四十年:手机曾搅动风云会成为下一个诺基亚么? [C] . 杨越欣 ,付宇彤 . 对接京津——改革开放 丰碑伟业研讨会 . 2018
• 5. 关于三角形的正方形覆盖与填装问题 [A] . 陆曼曼 . 2018