Preparation of an industrial classification of medium-zone coals / transmitted by the Government of the United Kingdom.
1982
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]COAL/GE.3/R.58/Add.5
العنوانPreparation of an industrial classification of medium-zone coals / transmitted by the Government of the United Kingdom.
المؤلفونUnited Kingdom
تاريخGeneva : UN, 6 Sept. 1982.
الوصف
3 p.