Researching signed language interpreting research through a sociolinguistic lens
Researching signed language interpreting research through a sociolinguistic lens
استاندارد B16.47 (Large Diameter Steel Flanges NPS 26 Through NPS 60 Metric/Inch Standard) 2011
استاندارد فلنجهای فولادی سایز بالای 26 اینچ تا 60 اینچ