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GB/T 44355-2024 in English
Automatic determination of maceral group composition in coal —Image analysis method
to be valid
Issued on:2024-08-23
RFQ -
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GB/T 8899-2013 in English
Methods for coal maceral grouping and mineral determination
valid
Issued on:2013-12-17
$240.00 -
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GB/T 15590-2008 in English
Method of determining microlithotype composition
valid
Issued on:2008-08-07
$512.00 -
GB/T 6948-2008 in English
Method of determining microscopically the reflectance of vitrinite in coal
valid
Issued on:2008-08-07
$512.00 -
GB/T 16773-2008 in English
Method of preparing coal samples for the coal petrographic analysis
valid
Issued on:2008-07-29
$480.00