PTIFly Ash试验粉尘
￥2500
PTIFly Ash试验粉尘
￥2500
0至尺寸等级的亚利桑那试验粉尘
面议
ASHRAE 测试粉尘测试过滤器和加热、制冷空调系统的零部件的测试粉尘
面议
PTISoftC-2A Liquid Contaminant
￥1600
PTIPortland cement
￥1600
PTIISO 12103-1 A3 Medium Test Dust
￥1600
PTIISO 12103-1 A2 Fine Test Dust
￥1600PTIISO 12103-1 A1 Ultrafine Test Dust
￥1600
PTIISO 12103-1 A4 Coarse Test Dust
￥1500