
Pipe Threads Where Pressure-tight Joints Are Not Made On The Threads - Verification By Means Of Limit Gauges
出版:Bureau of Indian Standard

專家解讀視頻
1988
ISO 228-2:1987 - Identical
ISO 228/2 : 1987(R2015) - Identical
ISO 228/2 : 1987(R2015) - Identical