Standards

JB/T 7948.8-1999 Abolished

JB/T 7948.8-1999 Methods for chemical analysis melted welding fluxes The "molybdenum blue"photometric method for determination of phosphorus content

Publish Date: 1999-06-24

JB/T 3168.3-1999 Abolished

JB/T 3168.3-1999 The chemical composition analysis method for spray welding alloy powder

Publish Date: 1999-06-24

JB/T 9194-1999 Abolished

JB/T 9194-1999 Roll forging die structure and dimensions

Publish Date: 1999-06-24

JB/T 7948.9-1999 Abolished

JB/T 7948.9-1999 Furnace graphite fusion method for chemical analysis of the determination of Na2O and K2O by flame photometry

Publish Date: 1999-06-24

JB/T 7948.2-1999 Abolished

JB/T 7948.2-1999 JB/T 7948.2-1999 Melted flux chemical analysis methods Electrochemical potentiometry method for determining manganese oxide content

Publish Date: 1999-06-24

JB/T 10045.2-1999 Abolished

JB/T 10045.2-1999 Thermal cutting—Terminology and definitions

Publish Date: 1999-06-24

JB/T 8931-1999 Abolished

JB/T 8931-1999 Joining Layer Ultrasonic Inspection Method (JB/T 8931-1999)

Publish Date: 1999-06-24

JB/T 7948.5-1999 Abolished

JB/T 7948.5-1999 Methods for chemical analysis of melted welding fluxes The sulfosalicylic acid photometric method for determination of iron oxide content

Publish Date: 1999-06-24

JB/T 7948.7-1999 Abolished

JB/T 7948.7-1999 Methods for chemical analysis of melted welding fluxes The lead chlorofluoride-EDTA volumetric method for determination of calcium fluoride content

Publish Date: 1999-06-24

JB/T 4129-1999 Abolished

JB/T 4129-1999

Publish Date: 1999-06-24

JB/T 4201-1999 Abolished

JB/T 4201-1999

Publish Date: 1999-06-24

JB/T 7945-1999 Abolished

JB/T 7945-1999 Methods for testing the mechanical properties of grey cast iron

Publish Date: 1999-06-24