76647406
Sep 26, 2005
Dec 4, 2007
Stands made of multiple metal struts and guys, for use in supporting items such as stages, floors, walls, table surfaces, and the like
Metal GoodsStands made of multiple non-metal struts and guys, for use in supporting items such as stages, floors, walls, table surfaces, and the like
Nonmetallic Building MaterialsDesign of support systems involving stands for use in supporting items such as stages, floors, walls, table surfaces, and the like
Computer and Scientific