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This standard specifies the structural dimensions and technical requirements of spiral wound gaskets for pressure vessel flanges.
This standard specifies the dimensions and technical requirements of non-metallic soft gaskets for pressure vessel flanges. This s
This standard specifies the structural type and series dimensions of long-neck butt welding flanges for steel pressure vessels. JB
This standard specifies the structural type and series size of Type B flat welding flanges for steel pressure vessels. This standa
This standard specifies the structural type and series size of Type A flat welding flanges for steel pressure vessels. This standa
This standard specifies the basic dimensions, technical requirements, test methods and inspection rules for flat quick-connect ter
JB/T 4416-1999 JB/T 4416-1999 Swing printing biscuit forming machine JB/T4416-1999 Standard download and decompression password: w
JB/T 4415-1999 JB/T 4415-1999 Tunnel type biscuit electric oven JB/T4415-1999 Standard download and decompression password: www.bz