標(biāo)題: ASTM D 2047-2004 用杰門(mén)機(jī)對(duì)擦亮涂覆地板表面靜摩擦系數(shù)的測(cè)... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-9-29 16:31 標(biāo)題: ASTM D 2047-2004 用杰門(mén)機(jī)對(duì)擦亮涂覆地板表面靜摩擦系數(shù)的測(cè)... D2047-99 Standard Test Method for Static Coefficient of Friction of Polish-Coated Floor Surfaces as Measured by the James Machine
