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| International Standard Category: Pigments and extenders |
GB/T 6689-1986 Determination of colour difference of dyes(Instrumental method)
染料色差的测定 仪器法 ;
| Category No.: | 87.060.10 | Valid Status: | superseded |
| Issued Organization: | China Oil and Chemical Industry Association | Issued Date: | 1986-08-01 |
| Implemented Date: | 1987-7-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 6688-2008 Dyestuffs - Determination of relative strength and color difference - Instrumental method |
Superseded Date: | 2009-5-1 |
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