| 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 |
150.0 |
via email in 1~3 business day |
abolished2020-07-01,2020-7-1,1989-1-1 |
|
| GB 11107-1989 |
and its compound powder - Determination of specific surface and particle size by air permeating method |
60.0 |
via email in 1~3 business day |
superseded,2019-6-1,1990-3-1 |
|
| GB 1423-1978 |
|
30.0 |
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superseded,1997-4-1,1979-7-1 |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 |
184.0 |
via email in 1~3 business day |
superseded,1997-4-1,1979-7-1 |
|
| GB 1425-1978 |
|
180.0 |
via email in 1~3 business day |
superseded,1997-4-1,1979-7-1 |
|
| GB 1551-1979 |
|
30.0 |
via email in 1~3 business day |
superseded,1995-1-2,1980-1-1 |
|
| GB 1555-1979 |
|
30.0 |
via email in 1~3 business day |
superseded,1998-8-1,1980-1-1 |
|
| GB 1556-1979 |
|
30.0 |
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superseded,1998-8-1,1980-1-1 |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 |
90.0 |
via email in 1~3 business day |
abolished2009-05-01,2009-5-1,1991-7-1 |
|
| GB 3491-1983 |
|
30.0 |
via email in 1~3 business day |
superseded,1994-12-1,1983-12-1 |
|
| GB 3492-1983 |
|
30.0 |
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superseded,1994-12-1,1983-12-1 |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) |
30.0 |
via email in 1~3 business day |
abolished1994-12-01,1994-12-1,1983-12-1 |
|
| GB 351-1964 |
|
15.0 |
via email in 1~3 business day |
superseded,1995-1-2,1965-7-1 |
|
| GB 4192-1984 |
Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuum tubes |
60.0 |
via email in 1~3 business day |
valid,,1984-11-1 |
|
| GB 4334.9-1984 |
|
45.0 |
via email in 1~3 business day |
valid,,1985-3-1 |
|
| GB 5166-1985 |
|
15.0 |
via email in 1~3 business day |
superseded,1999-8-1,1986-2-1 |
|
| GB 5249-1985 |
Permeable sintered metal materials; Determination of bubble test pore size |
90.0 |
via email in 1~3 business day |
superseded2014-05-01,2014-5-1,1986-7-1 |
|
| GB 5250-1985 |
|
120.0 |
via email in 1~3 business day |
superseded,1994-9-1,1986-7-1 |
|
| GB 5253-1985 |
|
60.0 |
via email in 1~3 business day |
superseded,1995-1-2,1986-7-1 |
|
| GB 5254-1985 |
|
60.0 |
via email in 1~3 business day |
superseded,1998-8-1,1986-7-1 |
|
* Related standard quantity: * Page quantity: *
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