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| Standard Insuued on: 1982-06 |
GB/T 3249-1982 Standard method for determination of particle size of powders of refractory metals and compounds--Fisher method
难熔金属及化合物粉末粒度的测定方法 费氏法
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | National Bureau of Standards | Issued Date: | 1982-06-21 |
| Implemented Date: | 1983-3-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 3249-2009 Test method for fisher number of metal powders and related compounds |
Superseded Date: | 2009-11-1 |
GB/T 3248-1982
GB/T 466-1982
GB 3263-1982
GB/T 3256.1-1982
GB/T 3249-1982
GB/T 3256.5-1982
SJ 2109-1982
TB1423-1982
TB1424-1982
HB 5795-1982
HB 5660-1981
HB 5661-1981
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