GB/T Recommended National Standards

Specification of Plastics-Bronze-steel backing triplelayer self-lubricating materials - Part 1：plastic overlay with modified PTFE

Issued

2011-11-21

Effective

2012-03-01

Freight container spreader

Issued

2011-09-29

Effective

2012-03-01

Measurement for diameter of carbon nanotubes

Issued

2011-07-29

Effective

2011-12-01

Conversion unit of quantitative analysis for freight containers

Issued

2011-07-19

Effective

2012-05-01

Grain and oil machinery - Single screw press

Issued

2011-07-19

Effective

2011-12-01

Grain and oil machinery - Extractor

Issued

2011-07-19

Effective

2011-12-01

Grain and oil machinery - Grinding and fluting machine

Issued

2011-07-19

Effective

2011-12-01

Test method for grindability of cement raw materials - Bond method

Issued

2011-06-16

Effective

2012-02-01

Test method for burnability of cement raw meal

Issued

2011-06-16

Effective

2012-02-01