Corner connection for window frame or the like are of flat box sectional member

• 1. 窗框连接型材及应用该窗框连接型材的转角窗框 [P] . 中国专利： CN211950182U . 2020-11-17
• 2. 型材门窗框架定位连接角码 [P] . 中国专利： CN2804327Y . 2006.08.09
• 3. Corner connection for window frame or the like out of the flat box sectional member [P] . 德国专利： DE1683303A1 . 1971-05-27

  机译： 扁平盒型材中用于窗框等的角连接

• 4. A method for the production of window frame with rounded inner corners of an easily metal sectional member flat [P] . 德国专利： DE2316193A1 . 1974-10-10

  机译： 一种用于制造具有易弯曲的金属型材的扁平内角的窗框的方法

• 5. Device as a corner connection of a flat box sectional member. [P] . 德国专利： DE1848379U . 1962-03-15

  机译： 作为扁平盒型材的角连接的设备。

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• 1. Flat Connections on Quantum Bundles and Fractional Statistic in Geometric Quantization [J] . Yue Yu Zhong-Yuan Zhuand H.C.LeeCCAST( World Laboratory) P. O. Box 8730 Beijing 100080 China +Institute of Theoretical Physics Academia Sin icaP. O. Box2T35 Beijing 100080. ChinaTheoreticaFPhysics Branch Chalk River Laboratories AECL Research Chalk River Ontario Canada KOJ UOandDepartment of Applied Mathematics University of Western Ontario London Ontario Canada NBA 5B9 . 信阳师范学院学报：自然科学版 . 1991,第3期
• 2. Children Flat Foot and Lower Limb Rotational Profile: A Cross-Sectional Descriptive Study [J] . Jemni Sonia ,Lazreg Nadia ,Abid Manel . 矫形学期刊（英文） . 2015,第10期
• 3. Optimization of Cross-sectional Shapes of the Bi-2223/Ag Wires before Flat Rolling [J] . LU Yongjin ,ZENG Pan ,LEI Liping . 中国机械工程学报 . 2009,第006期
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