Specification for selection inspection and acceptance of pipeline flame arresters for petroleum gas in petrochemical industry
Specification for selection inspection and acceptance of metallic hose for piping in petrochemical industry
Specification for selection inspection and acceptance of strainer for pump in petrochemical industry
Forged steel socket-welded fittings
Steel Plate butt-welded fittings
Steel butt-welded seamless fittings
Spiral wound gaskets for pipe flanges
Steel pipe flanges for petrochemical industry
Series of steel pipe size for petrochemical enterprise
Fasteners for pipe flanges
Metallic ring joint gaskets for pipe flanges
Polytetrafluoroethylene envelope gaskets for pipe flanges
Asbestos-rubber sheet gaskets for pipe flanges
Design specification for storage and conveying of solid industrial sulfur
Design specification on-line analyzer systems in petrochemical industry
Design specification for wastewater reclamation and reutilization in petrochemical industry
Specificaton for design of blast resistant control building in petrochemical industry
Specificaton of geotechnical engineering investigation in petrochemical industry
Tubular surplus heat boiler for petrochemical industry
Engineering specification of rotary-type compressor for petrochemical industry
Engineering specification of pumps-shaft sealing systems of centrifugal and rotary pumps for petrochemical industry
Specificaton of lined steel pipe in petrochemical industry
Design specification for telecommunication in petrochemical enterprise
Engineering specification of bulk solid pneumatic conveying for petrochemical industry
Tehnical specification for rotary pumps in petrochemical industry
Engineering specification of rotary pumps in petrochemical industry
Engineering specification of agitators in petrochemical industry
Engineering specification of general purpose steam turbines in petrochemical industry
Engineering specification of sealless centrifugal pumps in petrochemical industry
Code for seismic design of special structures for petrochemical