Chinese National Standards

Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 1: Determination of cerium oxide content - Ammonium ferrous sulfate titrimetry

Issued

2009-10-30

Effective

2010-05-01

Hexagon cap nuts - Welding type

Issued

2009-10-15

Effective

2010-03-01

Mechanical properties of fasteners made of the fine grain non-heat treatment steel - Bolts,screws and studs

Issued

2009-10-15

Effective

2010-03-01

Single-screw feedstuff extruder

Issued

2009-10-15

Effective

2010-03-01

Hard fibreboard - Part 3: Sampling and measurements of test pieces

Issued

2009-09-30

Effective

2009-12-01

Rehabilitation training instrument - General safety requirements

Issued

2009-09-30

Effective

2009-12-01

Hard fibreboard - Part 2: General requirements for all board types

Issued

2009-09-30

Effective

2009-12-01

Nationality identification for international road transportation vehicle of the People's Republic of China

Issued

2009-09-30

Effective

2010-02-01

Chromium ores and concentrates - Determination of aluminium, iron , magnesium and silicon content - Inductively coupled plasma atomic emission spectrometry

Issued

2009-07-08

Effective

2010-04-01