U-sections, in order to make the assemblies can be removed to the overall stiffness and permanently in all planes

公开/公告号FR89285E

专利类型

公开/公告日1967-06-02

原文格式PDF

申请/专利号FR19654209350

申请日1965-12-24

分类号A47B96/14;A63H33/12;E04B1/24;E04B1/58;F16B7/18;F16B12/30;F16B12/50;

国家 FR

入库时间 2022-08-23 13:57:28