ÖлªÈËÃñ¹²ºÍ¹ú¹ú¼Ò±ê
GB/T 17489-1998
idt ISO 4021:1992
Һѹ¿ÅÁ£ÎÛȾ·ÖÎö´Ó¹¤×÷ϵͳ¹Ü·
ÖÐÌáȡҺÑù
Hydraulic fluid power-Particulate contamination analysis-
Extraction of fluid samples from lines of an operating system
1998һ09һ02·¢²¼ 1999һ08һ01ʵʩ
¹ú¼ÒÖÊÁ¿¼¼Êõ¼à¶½¾Ö·¢²¼
GB/'f 17489һ1998
ǰ ÑÔ
±¾±êÊǵÈͬ
GBT 17489-1998 液压颗粒污染分析 从工作系统管路中提取液样.PDF