Standards

JB/T 9208-1999 Abolished

JB/T 9208-1999 JB/T 9208-1999 Controllable Atmosphere Classification and Code

Publish Date: 1999-06-24

JB/T 9202-1999 Abolished

JB/T 9202-1999 salt for heat treatment

Publish Date: 1999-06-24

JB/T 9207-1999 Abolished

JB/T 9207-1999 The heat treatment of steel parts in an absorbing atmosphere

Publish Date: 1999-06-24

JB/T 9201-1999 Abolished

JB/T 9201-1999 The induction hardening and tempering treatment of steel parts

Publish Date: 1999-06-24

JB/T 9199-1999 Abolished

JB/T 9199-1999 Sealing coating technical specifications

Publish Date: 1999-06-24

JB/T 8929-1999 Abolished

JB/T 8929-1999 Deep carbonization

Publish Date: 1999-06-24

JB/T 9193-1999 Abolished

JB/T 9193-1999 The raw material diameter before rolling (rolling) for ordinary threads

Publish Date: 1999-06-24

JB/T 7948.3-1999 Abolished

JB/T 7948.3-1999 Methods for chemical analysis of melted welding fluxes The permanganate photome tric method for determination of manganese oxide content

Publish Date: 1999-06-24

JB/T 9181-1999 Abolished

JB/T 9181-1999 Precision hot forging structure design specifications for straight bevel gears

Publish Date: 1999-06-24

JB/T 7948.6-1999 Abolished

JB/T 7948.6-1999 Methods for chemical analysis of melted welding fluxes The pyrolytic method for determination of calcium fluoride content

Publish Date: 1999-06-24

JB/T 4378.1-1999 Abolished

JB/T 4378.1-1999 Metal Cold Stamping Components Structural Elements

Publish Date: 1999-06-24

JB/T 7948.1-1999 Abolished

JB/T 7948.1-1999 Methods for chemical analysis of melted welding fluxes The gravimetric method for determination of silicon dioxide content

Publish Date: 1999-06-24