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Classification Of Coal

classification of chiness coal (gb/t5751-1986) group wy-01 anthracite wy-02 wy-03 pm ps sm jm 1/3jm fm bituminous qf qm 1/2zn rn bn cy hm1 lignite hm2 maf:: moist ash free basis class vdaf % 3.5 3.5 to 6.5 6.5 to 10 10 to 20 10 to 20 10 to.

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