| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB 10129-1988 |
Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies |
$150.00 |
via email in 1~3 business day |
abolished2020-07-01,2020-7-1,1989-1-1 |
|
| GB 10562-1989 |
Metallic material-Standard test method for the extra-low expansion coefficient-Light interferometer method |
$90.00 |
via email in 1~3 business day |
superseded,2009-5-1,1990-1-1 |
|
| GB 11107-1989 |
and its compound powder - Determination of specific surface and particle size by air permeating method |
$60.00 |
via email in 1~3 business day |
abolished2019-06-01 ,2019-6-1,1990-3-1 |
|
| GB 1423-1978 |
Method of measurement of density for precious metals and their alloys |
$30.00 |
via email in 1~3 business day |
superseded,1997-4-1,1979-7-1 |
|
| GB 1424-1978 |
Precious metals and their alloys--Determination of resistivity |
$184.00 |
via email in 1~3 business day |
superseded,1997-4-1,1979-7-1 |
|
| GB 1425-1978 |
Test method for measuring melting point of noble metal eutectic alloy by thermal analysis |
$180.00 |
via email in 1~3 business day |
superseded,1997-4-1,1979-7-1 |
|
| GB 1550-1979 |
Testing methods for conductivity type of monocrystalline silicon |
$180.00 |
via email in 1~3 business day |
superseded,1997-1-2,1980-1-1 |
|
| GB 1551-1979 |
Test method for resistivity of silicon bars using a two-point probe |
$30.00 |
via email in 1~3 business day |
superseded,1995-1-2,1980-1-1 |
|
| GB 1552-1979 |
Measurement of resistivity for monocrystalline silicon with D-C four point probe |
$184.00 |
via email in 1~3 business day |
superseded,1995-1-2, |
|
| GB 1553-1979 |
Measurement of monocrystalline silicon lifetime by D. C photoconductive decay methods |
$300.00 |
via email in 1~3 business day |
superseded,1997-1-2,1980-1-1 |
|
| GB 1555-1979 |
Determination method for the orientation of a silicon single crystal |
$30.00 |
via email in 1~3 business day |
superseded,1998-8-1,1980-1-1 |
|
| GB 1556-1979 |
Determination method for the the orientation of X-ray diffraction of silicon single crystal |
$30.00 |
via email in 1~3 business day |
superseded,1998-8-1,1980-1-1 |
|
| GB 2523-1990 |
Cold rolled sheet (strip)-Measuring method for surface roughness |
$90.00 |
via email in 1~3 business day |
abolished2009-05-01,2009-5-1,1991-7-1 |
|
| GB 3491-1983 |
Measurement method of the thickness of precious metals and their alloy foils (Weighing method) |
$30.00 |
via email in 1~3 business day |
superseded,1994-12-1,1983-12-1 |
|
| GB 3492-1983 |
Measurement method of thin-walled tube size of precious metals and their alloys (Weighing method) |
$30.00 |
via email in 1~3 business day |
superseded,1994-12-1,1983-12-1 |
|
| GB 3493-1983 |
Standard method for measuring diameter of fine wire of the precious metals and their alloys(weighing method) |
$30.00 |
via email in 1~3 business day |
abolished1994-12-01,1994-12-1,1983-12-1 |
|
| GB 351-1964 |
Test method for resistance coefficient of steel wire |
$15.00 |
via email in 1~3 business day |
superseded,1995-1-2,1965-7-1 |
|
| GB 3657-1983 |
Measurement method of direct magnetic properties of soft magnetic alloys |
$120.00 |
immediately |
superseded,2009-5-1,1984-3-1 |
|
| GB 4068-1983 |
Standard test method for change of resistance with temperature of high resistance alloys for electrical heating |
$180.00 |
via email in 1~3 business day |
superseded,1996-4-14,1984-12-1 |
|
| GB 4192-1984 |
Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuum tubes |
$60.00 |
via email in 1~3 business day |
valid,,1984-11-1 |
|
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* Related standard quantity: * Page quantity: *
Current: * First
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