PN G97051-16-1989
Brown coals Determination of the yield of toluene extract (bitumins) of the resins contant in the extract and of the content of humic acids

Standard No.
PN G97051-16-1989
Release Date
1989
Published By
PL-PKN
Latest
PN G97051-16-1989

PN G97051-16-1989 history

  • 1989 PN G97051-16-1989 Brown coals Determination of the yield of toluene extract (bitumins) of the resins contant in the extract and of the content of humic acids

PN G97051-16-1989 -All Parts




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