GB/T Recommended National Standards

Test method of precious metal alloys - Determination of nickel, zinc and manganese contents for gold, silver and palladium alloys - Inductively coupled plasma atomic emission spectrometry

Issued

2008-03-31

Effective

2008-09-01

Test method of precious metal alloys - Determination of tin , cerium and lanthanium contents for silver alloys - Inductively coupled clasma atomic emission spectrometry

Issued

2008-03-31

Effective

2008-09-01

Low heat expansive cement

Issued

2008-01-09

Effective

2008-08-01

Sintered magnesia

Issued

2007-12-24

Effective

2008-06-01

Test methods for walking tractors

Issued

2007-06-25

Effective

2007-11-01

Stainless steel bars

Issued

2007-05-14

Effective

2007-12-01

Checking of rolling stock clearance for standard gauge railways - Part 1：Methods for inspecting

Issued

2006-12-14

Effective

2007-05-01

Classification for content of harmful elements in coal - Part 1：phosphorus

Issued

2006-09-12

Effective

2007-02-01

Specifications for high and low temperature/low air pressure testing chambers

Issued

2006-04-03

Effective

2006-10-01