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Standard Insuued on: 2001-01

GB/T 18303-2001    Colour grading of polished diamond by visual matching
钻石色级比色目视评价方法
Category No.:GB Valid Status:superseded
Issued Organization:CSBTS Issued Date:2001-01-21
Implemented Date:2001-5-1 Abolished Date:2008-11-01
Superseded Standard.:GB/T 18303-2008 Color grading of polished diamond by visual matching
Superseded Date:2008-11-1
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GB 18546-2001   GB 18534-2001   GB 18535-2001   GB 18555-2001   GB 18540-2001   GB 18556-2001   GB 18537-2001   GB 18528-2001   GB 18549-2001   GB 18558-2001   GB 18543-2001   GB 18547-2001   GB 18559-2001   GB 18544-2001   GB 18532-2001   GB 18529-2001   GB 18539-2001   GB/T 18566-2001   GB 18533-2001   GB 18552-2001  

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