Preparation of an industrial classification of medium-rank coals : replies to the questionnaire / transmitted by the Government of Italy.
1982
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]COAL/GE.3/R.49/Add.2
العنوانPreparation of an industrial classification of medium-rank coals : replies to the questionnaire / transmitted by the Government of Italy.
المؤلفونItaly
تاريخGeneva : UN, 17 Mar. 1982.
الوصف
2 p.