GB/T 7991-2003
Measurement of vitreous and porcelain enamel coating thickness--Magnetic method (English Version)
- Standard No.
- GB/T 7991-2003
- Language
- Chinese, Available in English version
- Release Date
- 2003
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2015-07
- Replace By
- GB/T 7991.5-2014
- Latest
- GB/T 7991.5-2014
- Replace
- GB/T 7991-1987
- Scope
- This standard applies to the method of measuring the thickness of the glass-lined layer on the magnetic substrate by electromagnetic method.
GB/T 7991-2003 history
- 2014 GB/T 7991.5-2014 Test method of viterous and porcelain enamels.Part 5:Determination of thickness by electromagnetic method
- 2003 GB/T 7991-2003 Measurement of vitreous and porcelain enamel coating thickness--Magnetic method
- 0000 GB/T 7991-1987
