Art
J-GLOBAL ID:201602016153141305   Reference number:58A0063440

Difference dans les degree de houillification et dans les proprietes optiques des charbons avec melanges calcaires.

石灰質含有石炭の石炭化度と光学的性質の相違
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Material:
Volume: 1958  Issue: Sp ed  Page: 149-155  Publication year: 1958 
JST Material Number: D0532A  Document type: Article
Country of issue: France (FRA) 
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