Protocol for the testing of earth augers
著者
書誌事項
Protocol for the testing of earth augers
Joint Committee on Forest Working Techniques and Training of Forest Workers, 1965
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注記
At head of title: Economic Commission for Europe. Timber Committee, Food and Agriculture Organization. European Forestry Commission, International Labour Organisation. Joint Committee on Forest Working Techniques and Training of Forest Workers
"FAO/ECE/LOG/164"
"United Nations Publication, Sales Number: 66.II.E.4"--T.P. verso