| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB 7600-1987 |
Determination of water content in transformer oils in service by coulometric method |
$45.00 |
via email in 1~3 business day |
superseded,2015-4-1,1988-1-1 |
|
| GB 7601-1987 |
Determination of water content in transformer oils in service by gas chromatographic method |
$30.00 |
via email in 1~3 business day |
abolished2009-08-01,2009-8-1,1988-1-1 |
|
| GB 7602-1987 |
Determination of T501 oxidation inhibitor content in transformer and turbine oils in service by spectrophotometric method |
$45.00 |
via email in 1~3 business day |
abolished2009-08-01 ,2009-8-1,1988-1-1 |
|
| GB 7603-1987 |
Determination of the aromatic carbon content in mineral insulating oils by infrared spectrum method |
$30.00 |
via email in 1~3 business day |
abolished2012-11-01 ,2012-11-1,1988-1-1 |
|
| GB 7604-1987 |
Determination of the aromatic hydrocarbon content in mineral insulating oils |
$75.00 |
via email in 1~3 business day |
valid,,1988-1-1 |
|
| GB 7605-1987 |
Determination of clemulsibility characteristics of turbine oils in service |
$15.00 |
via email in 1~3 business day |
superseded,2009-8-1,1988-1-1 |
|
| GB 7606-1987 |
Oil-changing criterion for machine oil in use |
$180.00 |
via email in 1~3 business day |
valid,,1988-4-1 |
|
| GB 7607-1987 |
Criteria for change of engine oil used in vehicle diesel engine |
$45.00 |
via email in 1~3 business day |
superseded,1995-12-1,1988-4-1 |
|
| GB 7608-1987 |
Oil-changing criterion for tractor diesel engine oil in use |
$60.00 |
via email in 1~3 business day |
valid,,1988-4-1 |
|
| GB 7609-1987 |
Total distortion measuring method for PCM channel in the telecommunication network |
$340.00 |
via email in 1~3 business day |
superseded,, |
|
| GB 7611-1987 |
Parameters of digital interface for PCM systems over telecommunication network |
$660.00 |
via email in 1~5 business day |
abolished2002-12-01,2002-1-2,1987-12-1 |
|
| GB 7612-1987 |
Determination of sound power level for noise emitted by leather machinery |
$150.00 |
via email in 1~3 business day |
superseded,1999-4-21,1965-11-1 |
|
| GB 7614-1987 |
An artificial ear of wide band type for the calibration of earphones used in audiometry |
$60.00 |
via email in 1~3 business day |
valid,,1987-11-1 |
|
| GB 762-1980 |
Current ratings for high and low voltage electrical apparatus |
$184.00 |
via email in 1~3 business day |
superseded,1996-10-1,1981-5-1 |
|
| GB 763-1990 |
Heating of A.C. high-voltage apparatus under long runs |
$135.00 |
via email in 1~3 business day |
superseded,1905-6-21,1991-6-1 |
|
| GB 7630-1987 |
The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat |
$45.00 |
via email in 1~3 business day |
abolished2012-07-17 ,2012-7-17,1987-1-1 |
|
| GB 7631.1-1987 |
Lubricants and related products (class L); Classification; Part 1: General |
$45.00 |
via email in 1~3 business day |
abolished2008-12-01,2008-12-1,1988-4-1 |
|
| GB 7631.10-1992 |
Lubricants and related products (class L) - Classification - Part 10: Family T (Turbines) |
$60.00 |
via email in 1~3 business day |
abolished2014-05-01,2014-5-1,1992-12-1 |
|
| GB 7631.11-1994 |
Lubricants and related products (class L) - Part 11: Family G (slideways) |
$30.00 |
via email in 1~3 business day |
abolished2014-06-01,2014-6-1,1994-10-1 |
|
| GB 7631.3-1989 |
|
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via email in business day |
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