test sieves . metal wire cloth , perforated metal plate and electroformed sheet . nominal sizes of openings.
检验筛网。金属网穿孔金属板和电成型片材。网孔的标称尺寸。
Test sieves - Technical requirements and testing - Test sieves of perforated metal plate
试验筛.技术要求和试验.多孔金属板的试验筛
Test sieves--Metal wire cloth, perforated metal plate and electroformed sheet--Nominal sizes of opening
试验筛金属丝编织网、穿孔板和电成型薄板筛孔的基本尺寸
Application of perforated metal plate and calculation of its perforation rate
薄金属穿孔板的应用及其穿孔率的计算
Test sieves of perforated metal plate
金属穿孔板试验筛
Test sieving; part 1: methods using test sieves of woven wire cloth and perforated metal plate
筛分试验.第1部分:用于编织金属丝布及穿孔金属板的筛分试验方法