PN G04563-1992
Hard coal Method for the petrographic analysis Preparation coal samples for microscopical testing
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PN G04563-1992
Standard No.
PN G04563-1992
Release Date
1992
Published By
PL-PKN
Latest
PN G04563-1992
PN G04563-1992 history
1992
PN G04563-1992
Hard coal Method for the petrographic analysis Preparation coal samples for microscopical testing
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