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| Chinese National Standard Category: Chemical machinery and equipment in general |
| English Title: | Method for measuring the thickness of glass-lined layer by electro-magnetic meter |
| Chinese Title: | 搪玻璃层的厚度测量 电磁法 |
| Standard No.: | GB/T 7991-1987 |
| Category No.: | G90 |
| Issued by: | |
| Issued on: | 1987-06-24 |
| Implemented on: | 1987-10-1 |
| Status: | valid |
| Superseded by: | GB/T 7991-2003 Measurement of vitreous and procelain enamel coating thickness—Magnetic mehtod |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 1500 words |
| Similar Standards: | GB/T 44692.2-2024 GB/T 44692.1-2024 HG/T 3155-2012 GB/T 25146-2010 GB/T 25149-2010 GB/T 25147-2010 GB/T 25150-2010 GB/T 25148-2010 GB/T 25145-2010 HG/T 2806-2009 HG/T 4079-2009 HG/T 4077-2009 HG/T 4078-2009 HG/T 3105-2009 HG/T 2387-2007 HG/T 21639-2005 SHJ 23-1990 HG/T 20701-2000 HG/T 20668-2000 SHS 10004-1992 |
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