Comparative analysis of working time at mechanized coal faces / transmitted by the Government of Federal Republic of Germany.
1982
تفصيلات التسجيلة (السجل)
رمز / رقم الاستدعاء[E/ECE/]COAL/GE.2/R.40/Add.3
العنوانComparative analysis of working time at mechanized coal faces / transmitted by the Government of Federal Republic of Germany.
المؤلفونGermany, Federal Republic of
تاريخGeneva : UN, 20 Apr. 1982.
الوصف
3 p.