GB/T 6948-1998

Microscopical determination of the reflectance of vitrinite in coal

STANDARD published on 8.12.1998

English, Chinese -
electronic design (pdf) (798.80 USD)

The information about the standard:

Designation standards: GB/T 6948-1998
Note: WITHDRAWN
Publication date standards: 8.12.1998
Country: Chinese technical standard
Category: Technical standards GB