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pro vyhledávání: '"Frank Czerepinski"'
Autor:
Joseph McNeel, Frank Czerepinski
Publikováno v:
Southern Journal of Applied Forestry. 11:3-6
Use of feller-buncher and directional shears has increased the productivity and efficiency of many logging operations in the South. When felling sawlog and chip'n' saw-sized timber, hydraulic shears can damage the butt portion of the tree. Butt logs