Consideration of factors influencing labour productivity by taking high-productivity mines and faces as examples / transmitted by the Government of the Federal Republic of Germany.
1983
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Details
Symbol
[E/ECE/]COAL/GE.1/R.49/Add.4
Title
Consideration of factors influencing labour productivity by taking high-productivity mines and faces as examples / transmitted by the Government of the Federal Republic of Germany.
Authors
Date
Geneva : UN, 11 Jan. 1983.
Description
8 p. : table