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GB/T 6948-2008 《Method of determining microscopically the reflectance of vitrinite in coal》 Related products

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
Status Active
CCS D26
ICS 73.040
Release Date 2008-08-07 00:00:00
Implementation Date 2009-03-01 00:00:00
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