| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 11957-2001 |
Determination of yield of humic acids in coal |
$110.00 |
via email in 1~3 business day |
valid,,2002-8-1 |
|
| GB/T 12620-1990 |
Slots with round end and slots with square end plate screens |
$220.00 |
via email in 1~3 business day |
valid,,1991-10-1 |
|
| GB/T 12620-2008 |
Round and elongated apertures with round and square plate screens |
$100.00 |
immediately |
valid,,2008-10-1 |
|
| GB/T 12719-2021 |
Exploration specification of hydrogeology and engineering geology in mining areas |
$630.00 |
via email in 1~5 business day |
valid,,2021-12-1 |
|
| GB/T 12761-1991 |
Raise-boring machines |
$100.00 |
via email in 1~3 business day |
abolished2011-03-01,2011-3-1,1992-1-1 |
|
| GB/T 12761-2010 |
Raise-boring machines |
$180.00 |
via email in 1~3 business day |
valid,,2011-3-1 |
|
| GB/T 12937-1995 |
Terms relating to coal petrology |
$150.00 |
via email in 1~3 business day |
abolished2009-04-01,2009-4-1,1996-2-1 |
|
| GB/T 12937-2008 |
Terms relating to coal petrology |
$360.00 |
via email in 1~5 business day |
valid,,2009-4-1 |
|
| GB/T 13071-2010 |
Geological waters samples - Determination of radioactive ratios 234U/238U and 230Th/232Th - Extraction chromatograph and alpha spectrometry measure |
$180.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
| GB/T 13072-2010 |
Geological water samples - Determination of radioactive ratio 226Ra/228Ra - Emanation - β counting techniques |
$180.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
| GB/T 13073-2010 |
Rock samples - Determination of radium - 226 - Emanation technique |
$160.00 |
via email in 1~3 business day |
valid,,2011-2-1 |
|
| GB/T 13240-1991 |
Iron ore pellets－Determination of relative free-swelling index |
$150.00 |
via email in 1~3 business day |
superseded,2019-2-1,1992-7-1 |
|
| GB/T 13240-2018 |
Iron ore pellets for blast furnace feedstocks—Determination of the free-swelling index |
$250.00 |
via email in 1~3 business day |
valid,,2019-2-1 |
|
| GB/T 13241-1991 |
Iron ores-Determination of reducibility |
$150.00 |
via email in 1~3 business day |
superseded,2018-6-1,1992-7-1 |
|
| GB/T 13241-2017 |
Iron ores--Determination of reducibility |
$180.00 |
via email in 1~3 business day |
valid,,2018-6-1 |
|
| GB/T 13242-1991 |
Iron ores-Low-temperature disintegration test-Method using cold tumbling after static reduction |
$150.00 |
via email in 1~3 business day |
superseded,2018-7-1,1992-7-1 |
|
| GB/T 13242-2017 |
Iron ores - Low-temperature disintegration test - Method using cold tumbling after static reduction |
$220.00 |
via email in 1~3 business day |
valid,,2018-7-1 |
|
| GB/T 13327-1991 |
Specification for horizontal-belt filter |
$220.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1992-10-1 |
|
| GB/T 13343-1992 |
Blast hole tricone rock bits |
$150.00 |
via email in 1~3 business day |
superseded,2009-2-1,1992-10-1 |
|
| GB/T 13343-2008 |
Blast hole tricone rock bits |
$140.00 |
via email in 1~3 business day |
valid,,2009-2-1 |
|
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