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This standard specifies the surface cleanliness, inspection methods and evaluation rules of air separation equipment. This standar
This standard specifies the welding technical requirements and inspection requirements that must be followed for the on-site produ
JB/T 6894-2000 JB/T 6894-2000 Technical conditions for supercharged turbine expander JB/T6894-2000 Standard download and decompres
This standard specifies the technical requirements, test methods, inspection rules and other requirements for reciprocating piston
This standard adopts ISO 1217-1986(E) as a reference. This standard specifies the performance test method for reciprocating piston
JB/T 6891-1993 Technical requirements for silencers for fans JB/T6891-1993 Standard download decompression password: www.bzxz.net
JB/T 6890-1993 Technical conditions for defect repair welding of carbon steel castings for fans JB/T6890-1993 Standard download an
JB/T 6889-1993 Technical conditions for repairing defects in cast iron parts for fans JB/T6889-1993 Standard download and decompre